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I-405 Sepulveda Pass Improvements Project

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Skirball On-Ramps and Bridge Reconstruction
Status: Completion of the south side of Skirball Bridge expected end of 2013.
Wilshire Bl Ramps Reconstruction
Status: Extended closures for the Wilshire ramps are now over.
Sunset Bridge Ramp Reconstruction
Status: Widening of Church Ln Bridge expected to last eight months
Mulholland Dr Bridge Demolition & Reconstruction
Status: Mulholland Bridge completed December 2013.

The latest schedule for completing the I-405 Sepulveda Pass Improvements Project cites mid-2014 as the completion date. It is likely that the Wilshire Segment will open first, followed by the Mulholland Segment.

Because of the complex work remaining in the Sunset Segment (that segment runs from Constitution Av to the Getty Center ramps), we anticipate the Sunset Segment will be the last segment completed.

Here are our key milestones to reach for the remainder of 2013.

Key Milestones

Project Component Complete (%)
Bridges 100
On- and off-ramps 90
Retaining and sound walls 83
underpasses and structures 90
Utilities 100
Wilshire ramps 100

The I-405 Sepulveda Pass Improvements Project will add a 10-mile HOV lane and improve supporting infrastructure such as ramps, bridges and sound walls on the San Diego Fwy. (I-405); while widening lanes from the Santa Monica Fwy. (I-10) to the Ventura Fwy. (US-101).

This project will reduce existing and forecasted traffic congestion on the I-405 and enhance traffic operations by adding freeway capacity in an area that experiences heavy congestion. In addition to these modifications, the project will improve both existing and future mobility and enhance safety throughout the corridor.

Project benefits include a decrease in commuter time, reduction in air pollution, and promotion of ridesharing.

The I-405 Sepulveda Pass Improvements Project will:

  • Add a 10-mile HOV lane on the northbound I-405 between the I-10 and US-101 Fwys.
  • Remove and replace the Skirball Center Dr., Sunset Bl. and Mulholland Dr. bridges
  • Realign 27 on and off-ramps
  • Widen 13 existing underpasses and structures
  • Construct approximately 18 miles of retaining wall and sound wall

Construction Notice Archives | Lane Closures | Detour Maps

Construction Notices

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Start Date Notice Brief More Info

04/16/2014

Segment: Wilshire
Area: Northbound I-405, from Santa Monica Bl to Wilshire Bl

The northbound (NB) I-405 will be fully closed from the Santa Monica Bl to Wilshire Bl for three nights as follows:

  • From midnight to 5am, starting at midnight on Wednesday, April 16th and continuing for two nights—from midnight to 5am—until 5am on Friday, April 18th.
  • On the night of Friday, April 18th, from 1am to 6am on Saturday, April 19th.

Ramp Closures
NB I-405 on-ramp from Olympic Bl/Pico Bl (on Cotner Av)
NB I-405 on-ramp from Santa Monica Bl.

Lanes will begin to close at 10pm, and ramps will be closed as early as 7pm.

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04/11/2014

Segment: Mulholland
Area: Sepulveda Bl from Mountaingate Dr to Skirball Center Dr

As part of the Sepulveda Bl roadway construction on the northbound 2 lane, Sepulveda Bl will be fully closed between Mountaingate Dr and Skirball Center Dr from 10pm, Friday, April 11 to 6am, Monday, April 14. The southbound Skirball on-and off-ramps will be closed during this operation. See notice for detour information and a list of open ramps.

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04/11/2014

Segment: Wilshire
Area: I-405 from Santa Monica Bl. to Wilshire Bl.

The northbound I-405 will be fully closed from Santa Monica Bl to Wilshire Bl on the night of Friday, April 11, from 1 to 6am on Saturday, April 12.

  • Lanes will begin to close at 10pm, and ramps will be closed as early as 7pm. These ramps will close
    • Northbound I-405 Olympic Bl/Pico Bl on-ramp
    • Northbound I-405 Santa Monica Bl on-ramp
    • Northbound I-405 will be accessible at the northbound on-ramp from eastbound Wilshire Bl

Detour: Exit the northbound I-405 at the Santa Monica Bl off-ramp, turn right to eastbound Santa Monica Bl, turn left to northbound Sepulveda Bl, turn right to eastbound Wilshire Bl, and turn right onto the northbound I-405 on-ramp from eastbound Wilshire Bl.

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04/01/2014

Segment: Mulholland
Area: Skirball Bridge

From 9pm, Tuesday, April 1, to 6am, Wednesday, April 2, the Skirball Bridge will be closed to facilitate traffic signal and street lighting conduit across the Skirball Bridge.

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03/31/2014

Segment: Mulholland
Area: Sepulveda Bl between Mountaingate Dr and Skirball Center Dr

As part of the Sepulveda Bl roadway construction on the northbound 2 lane, Sepulveda Bl will be fully closed between Mountaingate Dr and Skirball Center Dr from 10pm, Monday, March 31 to 5am, Tuesday, April 1, 2014. Southbound Skirball on-and off-ramps will be closed during this operation and all other full closures of Sepulveda Bl from Mountaingate Dr to Skirball Center Dr.

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03/28/2014

Segment: Mulholland
Area: Southbound Valley Vista On-ramp, southbound Skirball on- and off-ramps, and Sepulveda Bl between Mountaingate and Skirball Center Dr

Beginning 7pm, Friday, March 28 through 6am, Monday, March 31, 2014, the southbound Valley Vista on-ramp will be closed to grind asphalt, pave the new road surface, and restripe the on-ramp. Consecutively, the southbound Skirball on- and off-ramps will be closed beginning 9pm Friday, March 28 to 6am, Monday, March 31, to facilitate work on the Sepulveda Bl paving operation between Mountaingate Dr and Skirball Center Dr. Beginning 9pm, Friday, March 28, to 6am, Monday, March 31, Sepulveda Bl will be reduced to one lane in each direction between Mountaingate Dr and Skirball Center Dr.

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03/26/2014

Segment: Mulholland
Area: Southbound I-405 from US 101 to the southbound Getty Center Dr off-ramp

The southbound I-405 will be fully closed from US 101 to the southbound Getty Center Dr off-ramp from midnight, Wednesday, March 26 through 5am, Thursday, March 27, and midnight, Thursday, March 27, to 5am, Friday, March 28, 2014. The closure will accommodate installing joint seals on the Sepulveda Bl undercrossing near Sherman Oaks. This operation will only happen if weather permits. Please see the Construction Notice for ramp closures.

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03/26/2014

Segment: Mulholland
Area: Southbound Valley Vista on-ramp and southbound Skirball on-ramp

Beginning Wednesday, March 26 to Sunday, April 6, 2014, the southbound Valley Vista on-ramp will be closed during non-peak hours of 9am to 3pm, except on Thursday, March 27 and Thursday, April 3. This closure is to complete the barrier on the east side of the on-ramp. Consecutively, the southbound Skirball on-ramp will also be closed during non-peak hours of 9am and 3pm, beginning Wednesday, March 26 to Sunday, April 6, except on Thursday, March 27 and Thursday, April 3. This closure facilitates work on several walls on Sepulveda Bl.

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03/24/2014

Segment: Mulholland
Area: Sepulveda Bl fully closed between Mountaingate Dr and Skirball Center Dr

As part of the Sepulveda Bl roadway construction on the northbound 2 lane, Sepulveda Bl will be fully closed between Mountaingate Dr and Skirball Center Dr from 10pm, Monday, March 24 to 5am, Tuesday, March 25, 2014. The southbound Skirball on-and off-ramps will be closed during this operation as well as all other full closures of Sepulveda Bl from Mountaingate Dr to Skirball Center Dr.

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03/21/2014

Segment: Mulholland
Area: Sepulveda Bl between Mountaingate Dr and Skirball Center Dr

Beginning 9pm, Friday, March 21 to Monday, April 21, Sepulveda Bl will be reduced to one northbound lane between Mountaingate Dr and Skirball Center Dr to conduct roadway construction on the northbound 2 lane. The contractor is planning to open the northbound 2 lane (600 feet south of the Skirball Bridge) and a right turn pocket onto the Skirball Bridge on Monday, April 7. Additional closures will occur as follows (see notice for details).

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03/17/2014

Segment: Wilshire
Area: Southbound I-405, Santa Monica Bl to National Bl

The I-405 Sepulveda Pass Improvements Project contractor plans to fully close the southbound I-405 between Santa Monica Bl and National Bl in West Los Angeles to enable the installation of a full-span freeway overhead sign and to conduct other roadway construction activities at the freeway median.

The southbound I-405 will be closed from Santa Monica Bl to National Bl nightly:
•From 12am to 5am on the nights of:
-Monday, March 17, to Thursday, February 20
-Sunday, March 23
•From 12am to 6am on the nights of:
-Friday, March 21
-Saturday, March 22

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03/17/2014

Segment: Mulholland
Area: Skirball Bridge and Sepulveda Bl northbound lane closure

From 10pm, Monday, March 17, to 5am, Tuesday, March 18, the contractor will be demolishing, excavating, and repaving the southeast corner of the Skirball Center Dr and Sepulveda Bl intersection. The operation will require:

  • Skirball Bridge will be closed from 10pm Monday, March 17 to 5am, Tuesday, March 18
  • Northbound Sepulveda Bl 2 lane will be closed between Skirball Center Dr and Mountaingate Dr from 10pm, Monday, March 17 to 5am, Tuesday, March 18
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03/13/2014

Segment: Wilshire
Area: Southbound I-405, from Santa Monica Bl to National Bl

The southbound (SB) I-405 will be fully closed from Santa Monica Bl to National Bl on:

  • The night of Thursday, March 13, from midnight, to 5am on Friday, March 14.
  • The night of Saturday, March 15, from midnight, to 5am on Sunday, March 16.

This closure will facilitate the installation of a full-span freeway overhead sign.

Lanes will begin to close at 10pm.
Ramps will begin to close at 7pm.

Detour
From the SB I-405, exit at Santa Monica Bl, turn left to EB Santa Monica Bl, turn right to SB Sepulveda Bl, turn right to WB National Bl, and turn left on to the SB I-405 on-ramp on National Bl.

Ramp Closures
SB Santa Monica on-ramp
SB Sunset on-ramps
SB Wilshire on-ramps
SB I-405 to EB I-10 connector
SB I-405 to WB I-10 connector

The SB I-405 will be accessible at the National Bl on-ramp.

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03/11/2014

Segment: Mulholland
Area: Northbound I-405 from Getty Center Dr to Greenleaf St on-ramp

The northbound I-405 will be closed from Getty Center Dr to the Greenleaf St on-ramp on the night of Tuesday, March 11 from midnight to 5am (Wednesday morning), and the night of Wednesday, March 12 from midnight to 5am (Thursday, March 13). The closure will accommodate shifting K-rail from the inside lanes to the outside lanes and shifting traffic to the west. A restriping of the freeway lanes in this area will follow. This operation will only happen if weather permits.

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03/11/2014

Segment: Mulholland
Area: Sutton St cul-de-sac

Beginning Tuesday, March 11 through Tuesday, April 8, 2014, 7am to 5pm, the contractor will conduct curb, gutter, and sidewalk street improvements on Sutton St cul-de-sac. Local access will be maintained.

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03/07/2014

Segment: Mulholland
Area: Sepulveda Bl undercrossing

Beginning Friday, March 7 to Wednesday, March 19, during non-peak hours (9am to 3pm and 10pm to 6am), the contractor will install a sign post under the Sepulveda Bl undercrossing. This operation will require the intermittent closure of the southbound Sepulveda Bl 1, 2 lanes from the northbound Ventura off-ramp to the Sepulveda undercrossing. Access will be maintained in both directions.

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03/05/2014

Segment: Mulholland
Area: Skirball Center Dr, northbound Skirball on- and off-ramps, and Skirball Park & Ride

Beginning 9pm on Wednesday, March 5 to 6am, Monday, March 24, full depth reconstruction, grind and overlay, curb and gutter work, and paving will occur on the southbound lane of Skirball Center Dr and the northbound Skirball on- and off-ramps.

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03/05/2014

Segment: Mulholland
Area: Skirball Center Dr, northbound Skirball on- and off-ramps, and Skirball Park & Ride

Beginning 9pm on Wednesday, March 5 to 6am, Monday, March 24, full depth reconstruction, grind and overlay, curb and gutter work, and paving will occur on the southbound lane of Skirball Center Dr and the northbound Skirball on- and off-ramps. The work schedule is:

Weekdays from March 5 to March 17:
• Skirball Center Dr from Mulholland Dr to Skirball Park & Ride:
• Daytime: The current lane capacity of one lane in each direction will be maintained with cones.
• Nighttime hours of 9pm to 6am: Skirball Center Dr will be reduced to one lane with flaggers maintaining access in each direction.

• Northbound Skirball on and off-ramps and turn pockets will be closed:
• Weekdays: 9am to 3pm
• Weeknights: 9pm to 6am

During the weekends of March 7 to 10; March 14 to 17; and March 21 to 24; from 9pm, Friday nights to 6am, Monday mornings:
• Full closure of the northbound Skirball Center Dr on- and off-ramps
• Closure of the Skirball Park & Ride
• Skirball Center Dr, from Mulholland Dr to Skirball Park & Ride, will be reduced to one lane with flaggers maintaining access in each direction.

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03/03/2014

Segment: Skirball
Area: Skirball Center Dr, northbound Skirball ramps, and Skirball Park & Ride

Weekdays from March 3 to March 17:

  • Skirball Center Dr from Mulholland Dr to Skirball Park & Ride:
    • Daytime: The current lane capacity of one lane in each direction will be maintained in a cone configuration.
    • Nighttime hours of 9pm to 6am: Skirball Center Dr will be reduced to one lane with flaggers maintaining access in each direction.
  • Northbound Skirball on and off-ramps and turn pockets will be closed:
    • Weekdays: 9am to 3pm
    • Weekdays: 9pm to 6am

During the weekends of March 7 to 10; March 14 to 17; and March 21 to 24; from 9pm, Friday nights to 6am, Monday mornings:

  • Full closure of the northbound Skirball on and off-ramps
  • Closure of the Skirball Park & Ride
  • Skirball Center Dr, from Mulholland Dr to Skirball Park & Ride, will be reduced to one lane with flaggers maintaining access in each direction.
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03/03/2014

Segment: Mulholland
Area: Sepulveda Bl undercrossing in Sherman Oaks

Beginning 10pm on Monday, March 3, to 5am, Friday, March 7, 2014, for four consecutive nights, the contractor will place the dry finish on the Sepulveda Bl undercrossing in Sherman Oaks. This operation will require the closures of:

  • Southbound Valley Vista on- and off-ramps
  • Full Sepulveda Bl between Sherman Oaks Av and the southbound Valley Vista on-ramp
  • Fiume Walk
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02/28/2014

Segment: Sunset
Area: Montana Av to Church Ln

There will be full-depth roadway reconstruction on Sepulveda Bl, from Montana Av to Church Ln/Ovada Pl, from Friday, March 14 at 10pm, to Monday, April 28 at 6am. Please see Construction Notice for full details.

• Full weekend closures: from 10pm on Friday to 6am on Monday, March 14 to April 28.
• Reduced to one lane in each direction from 6am to 10pm, Monday to Friday, March 14 to April 28.
• Full nighttime closure: 10pm to 6am on weekday nights, March 17 to April 28.
• Full weekend closures: 10pm on Friday to 6am on Monday.

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02/27/2014

Segment: Mulholland
Area: Skirball Bridge

From 10pm, Thursday, February 27, to 6am, Friday, February 28, the contractor will be grinding the Skirball Bridge deck. The Skirball Bridge will have one lane open in each direction due to work on the eastbound direction. Access will be maintained in both directions.

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02/26/2014

Segment: Mulholland
Area: Southbound Valley Vista on-ramp and southbound Skirball on-ramp

From Wednesday, February 26 to Saturday, March 8, 2014, the southbound Valley Vista on-ramp and southbound Skirball Center Dr on-ramp will be closed nightly from 7pm to 5am, except on the nights of Thursday, February 27h and Thursday, March 6. See notice for details

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02/18/2014

Segment: Mulholland
Area: Bel Air Crest Bridge

From 10pm, Tuesday, February 18 and continuing each night from 10pm to 6am (until 6am, Sunday, February 23, 2014), the contractor will remove the overhang on the west side of the Bel Air Crest Bridge and dry finish the bridge. Please note the community must use its back gate. This work activity will require the following closures:

  • Bel Air Crest Rd from the entrance gate to Sepulveda Bl 
  • Sepulveda Bl northbound 2 lane from 500 feet south of Bel Air Crest Rd to 500 feet north of Bel Air Crest Rd
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02/18/2014

Segment: Mulholland
Area: Sepulveda Bl between Skirball Center Dr and Mountaingate Dr

Verizon Wireless will be installing electrical work on Sepulveda Bl from Skirball Center Dr to Mountaingate Dr requiring the closure of:
• Southbound Sepulveda Bl 1 and 2 lanes

• Northbound Sepulveda Bl 2 lane leaving only one northbound lane open
This operation will take place on the nights of:
• Tuesday, February 18, 9pm to 6am, Wednesday, February 19

• Wednesday, February 19, 9pm to 6am, Thursday, February 20

• Friday, February 21, 9pm to 6am, Saturday, February 22

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02/18/2014

Segment: Mulholland
Area: Sepulveda Bl between Skirball Center Dr and Mountaingate Dr

Verizon Wireless will be installing electrical work on Sepulveda Bl from Skirball Center Dr to Mountaingate Dr requiring the closure of:

  • Southbound Sepulveda Bl 1 and 2 lanes
  • Northbound Sepulveda Bl 2 lane leaving only one northbound lane open

This operation will take place on the nights of:

  • Tuesday, February 18, 9pm to 6am, Wednesday, February 19
  • Wednesday, February 19, 9pm to 6am, Thursday, February 20
  • Friday, February 21, 9pm to 6am, Saturday, February 22
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02/14/2014

Segment: Mulholland
Area: Northbound I-405 from Getty Center Dr to Ventura Bl

An 80-hour northbound I-405 closure will occur Presidents’ Day weekend, February 14 to 18, 2014, consisting of daytime lane reductions and full nighttime directional closures of the northbound freeway lanes between Getty Center Dr and Ventura Bl. The closure will facilitate excavating and re-paving the mainline roadway in one 80-hour closure, as opposed to several 55-hour closure operations over a series of weekends. Motorists are strongly encouraged to eliminate unnecessary automobile trips, stay local, avoid the area and/or divert to other freeways to avoid multi-hour delays. The freeway opens to full capacity at 6am, on Tuesday, February 18.

During the daytime hours, two northbound freeway lanes between Getty Center Dr and Ventura Bl will be open while three lanes will be closed. During nighttime hours, all five northbound lanes will be closed. The schedule is as follows:

• 7pm, Friday, February 14: ramps begin closing
• 10pm, Friday, February 14: lanes begin closing

Northbound I-405 Full Directional Closure:
• 1 to 6am, Saturday, February 15
• 2 to 7am, Sunday, February 16
• Midnight to 5am, Monday, February 17
• Midnight to 5am, Tuesday, February 18

Northbound I-405 Reduced to Two Lanes:
• 6am, Saturday, February 15 to 2am Sunday, February 16
• 7am to 11:59pm, Sunday, February 16
• 5am to 11:59pm, Monday, February 17

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02/13/2014

Segment: Sunset
Area: Getty Center Dr to Wilshire Bl

There will be a full southbound I-405 closure from Getty Center Dr to Wilshire Bl, from 11:59pm on the night of Thursday, February 13 to 5am on the morning of Friday, February 14, 2014. The closure will accommodate shifting the lanes westerly and restriping the freeway to make room for freeway widening work at the median. Additional closures will consist of:
• Ramps begin closing at 7pm
• Lanes begin closing at 10pm
• Southbound I-405 Getty Center Dr on-ramp.
• Southbound I-405 Sunset Bl on-ramp

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02/12/2014

Segment: Mulholland
Area: US 101 to the southbound Getty Center Dr on-ramp

The southbound I-405 will be fully closed from US 101 to the southbound Getty Center Dr on-ramp on the night of Wednesday, February 12 through the morning of Thursday, February 13, 2014, from midnight to 5am. The closure will accommodate shifting K-rail from the inside lanes to the outside lanes, moving traffic to the west, and restriping the southbound lanes in this area. This operation will only happen if weather permits.

The following closures will take place:
- Ramps begin closing at 7pm
- Lanes begin closing at 10pm
- US 101 southbound connector to the southbound I-405
- US 101 northbound connector to the southbound I-405
- Southbound Burbank Bl on-ramp
- Southbound Ventura Bl on- and off-ramps
- Southbound Valley Vista Bl on- and off-ramps
- Southbound Skirball Center Dr on- and off-ramps

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02/10/2014

Segment: Sunset
Area: NB I-405, from Moraga Dr to Getty Center Dr

The northbound I-405 will be fully closed on Monday, February 10, from midnight to 5am, from Moraga Dr to Getty Center Dr. This closure will facilitate the realignment of lanes (to be shifted easterly) to accommodate work at the freeway median for roadway widening. Lanes will begin to close at 11pm, and ramps will be closed as early as 7pm on Sunday, February 9. Detour: From the northbound I-405, exit at Moraga Dr, turn left onto northbound Sepulveda Bl, turn left onto the northbound I-405 on-ramp from Getty Center Dr. The northbound I-405 on-ramps at westbound and eastbound Wilshire Bl, and Sunset Bl will be closed to mitigate traffic entering the northbound I-405 near the closure area.

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02/09/2014

Segment: Wilshire
Area: NB I-405, from Wilshire Bl to Moraga Dr

The northbound I-405 will be fully closed on Sunday, February 9, from 2 to 7am, from Wilshire Bl to Moraga Dr. This closure will facilitate the realignment of lanes (to be shifted easterly) to accommodate work at the freeway median for roadway widening. Lanes will begin to close at 11pm, and ramps will be closed as early as 7pm on Saturday, February 8. Detour: From the northbound I-405, exit to westbound Wilshire Bl, turn right onto northbound Sepulveda Bl, turn left onto the northbound I-405 on-ramp from Moraga Dr. The northbound I-405 on-ramps at Santa Monica Bl and at westbound and eastbound Wilshire Bl will be closed to mitigate traffic entering the northbound I-405 near the closure area.

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02/08/2014

Segment: Wilshire
Area: NB I-405, from Wilshire Bl to Moraga Dr

The northbound I-405 will be fully closed on Saturday, February 8th, from 1 to 6am, from Wilshire Bl to Moraga Dr. This closure will facilitate the realignment of lanes (to be shifted easterly) to accommodate work at the freeway median for roadway widening. Lanes will begin to close at 10pm, and ramps will be closed as early as 7pm on Friday, February 7. Detour: From the NB I-405, exit to westbound Wilshire Bl, turn right onto northbound Sepulveda Bl, turn left onto the northbound I-405 on-ramp from Moraga Dr. The northbound I-405 on-ramps at Santa Monica Bl and at westbound and eastbound Wilshire Bl will be closed to mitigate traffic entering the northbound I-405 near the closure area.

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02/07/2014

Segment: Mulholland
Area: Southbound on-ramp from Valley Vista

Beginning 7pm on Friday, February 7, to 6am, Monday, February 10, 2014, the contractor will demolish, excavate, and finish grade work on the southbound on-from from Valley Vista Bl, which requires the closure of:

  • Southbound on-ramp from Valley Vista Bl
  • Northbound Sepulveda Bl 2 lane between the southbound on-ramp from Valley Vista Bl through the Sepulveda undercrossing"
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02/03/2014

Segment: Mulholland
Area: Sepulveda Bl between Skirball Center Dr and Mountaingate Dr

The contractor will facilitate wall construction on Sepulveda Bl from Skirball Center Dr to Mountaingate Dr requiring the full closure of Sepulveda Bl with only one northbound through lane open. This operation will take place on the nights of:

  • Monday, February 3, 10pm to 6am
  • Tuesday, February 4, 10pm to 6am
  • Wednesday, February 5, 10pm to 6am
  • Tuesday, February 18, 10pm to 6am
  • Wednesday, February 19, 10pm to 6am

 

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01/31/2014

Segment: Mulholland
Area: Southbound on-ramp from Valley Vista Bl

Beginning 7pm on Friday, January 31 to 5am, Monday, February 3, 2014, the contractor will conduct the second phase of the drainage work on the southbound on-from from Valley Vista Bl which requires the closure of the southbound on-ramp from Valley Vista and the northbound Sepulveda Bl 2 lane between the southbound on-ramp from Valley Vista Bl through the Sepulveda Bl undercrossing.

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01/31/2014

Segment: Mulholland
Area: Southbound off-ramp to Valley Vista

Beginning 7pm on Friday, January 31 to 5am on Sunday, February 2, 2014, the contractor will conduct paving near Valley Vista Bl. This requires the closures of the southbound off-ramp to Valley Vista and Fiume Walk from Sepulveda Bl to Sherman Oaks Av.

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01/30/2014

Segment: Mulholland
Area: Northbound I-405 from Getty Center to the Greenleaft St on-ramp

The northbound I-405 will be fully closed from Getty Center Dr to the Greenleaf St on-ramp on the night of Thursday, January 30, midnight to 5am(Friday morning), and the night of Friday, January 31, from 1am to 6am (Saturday morning). See attached details and detour information.

The following closures will take place:

  • Ramps begin closing at 7pm on Thursday, January 30 and Friday, January 30, 2014
  • Lanes begin closing at 10pm on Thursday, January 30 and Friday, January 31, 2014
  • Northbound I-405 connector to north US 101 
  • Northbound on-ramp from Sunset Bl
  • Northbound on-ramp from Moraga Dr 
  • Northbound on-ramp from Getty Center Dr 
  • Northbound on-ramp from Skirball Center Dr
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01/24/2014

Segment: Mulholland
Area: Southbound Valley Vista on and off-ramp

The southbound Valley Vista on-ramp and the northbound Sepulveda Bl 2 lane will be closed from 7pm, Friday, January 24 to 5am, Monday, January 27, 2014. The southbound Valley Vista off-ramp and the Fiume Walk will be closed from 7pm, Friday, January 24 to 5am, Sunday, January 26, 2014.

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01/24/2014

Segment: Mulholland
Area: Bel Air Crest Rd

On Friday, January 24, Saturday, January 25, and Monday, January 27, 2014, from 9am to 3pm, preparatory work begins to facilitate the electrical installation at Bel Air Crest Rd. On Tuesday, January 28 through Friday, January 31, from 9am to 3pm, the contractor will continue electrical work at Bel Air Crest Rd. This work will require Bel Air Crest Road to be reduced to one lane with flaggers. Access will be available to the community. Pedestrians will be able to access one side of the sidewalk that is not part of the closure. See notice for details.

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01/16/2014

Segment: Mulholland
Area: Skirball Bridge and I-405 north and south

On the night of Thursday, January 16 through the morning of Friday, January 17, 2014, the contractor will pour the Skirball Bridge deck which requires:

  • Full Skirball Bridge closure from northbound Skirball Center Dr off-ramp to Sepulveda Bl on the night of Thursday, January 16 from 10pm to 6am
  • Full southbound I-405 closure from Valley Vista Bl to the southbound Skirball Center Dr on-ramp on the night of Thursday, January 16 from midnight to 2am with ramps closing at 7pm and lanes closing at 10pm
  • Full northbound I- 405 closure from Getty Center Dr to the northbound Skirball Center Dr on-ramp on the night of Thursday, January 16 from 2:30am to 5am with ramps closing at 7pm and lanes closing at 11pm
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01/16/2014

Segment: Mulholland
Area: Valley Vista neighborhood, west side of I-405

Beginning January 16 and continuing through February 1, 2014, from 7am to 3:30pm, Monday through Friday, workers will install an irrigation system on the slopes on the west side of the I-405 in the Valley Vista neighborhood.

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01/13/2014

Segment: Mulholland
Area: Sepulveda Bl near Mountaingate Dr

Beginning January 13, 2014 and continuing through February 1, 2014, Monday through Friday, from 9am to 3pm, Los Angeles Department of Water and Power will be conducting electrical work on Sepulveda Bl from Mountaingate Dr to 500 feet north of the southbound Skirball Center Dr ramps. The work will require the closure of two Sepulveda Bl lanes at a time between Mountaingate Dr and Skirball Center Dr while maintaining traffic on both sides.

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01/10/2014

Segment: Mulholland
Area: Northbound Getty Center Dr Off-ramp

Beginning Friday, January 10, 2014, at 7pm, to Monday, January 13, 2014, at 6am, the northbound Getty Center Dr off-ramp will be closed. This will allow the contractor to smooth out the roadway on the off-ramp.

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01/06/2014

Area: Sepulveda Bl Undercrossing

From Monday, January 6, 2014 to Sunday, January 12, 2014, the contractor will strip falsework at the Sepulveda Bl undercrossing in Sherman Oaks. The hours for this operation will be Monday through Thursday, 10pm to 5am, and Friday and Saturday from 11pm to 7am. This operation will require the closures of:

  • Southbound Valley Vista on and off-ramps
  • Sepulveda Bl between Sherman Oaks Av and the southbound Valley Vista on-ramp
  • Fiume Walk

 

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01/03/2014

Segment: Sunset
Area: Northbound off-ramp to Getty Center Dr

Beginning Friday, January 3, 2014, at 7pm, to Monday, January 6 at 6am, the northbound off-ramp Getty Center Dr will be closed. This will allow the contractor to install irrigation crossings. The detour will be the northbound Skirball Center Dr off-ramp.

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01/03/2014

Segment: Mulholland
Area: Southbound Valley Vista on-ramp

Beginning Friday, January 3, 2014 at 7pm to Monday, January 6 at 6am, the southbound off-ramp to Valley Vista will be closed for the contractor to demolish and excavate existing asphalt, allowing for the concrete cross gutter to be poured. This will allow for better water-flow management. The southbound on-ramp from Skirball Center Dr will serve as the detour.

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12/30/2013

Segment: Mulholland
Area: Bel Air Crest Road

On the night of Monday, December 30, 2013, from 10pm to 6am, the contractor will be working on curb and gutter at Bel Air Crest Road. The westbound lane on Bel Air Crest Rd will be reduced with flaggers; however, access will be available.

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12/28/2013

Segment: Wilshire
Area: Southbound I-405, Sunset Bl to Wilshire Bl

The southbound I-405 will be fully closed from midnight, Saturday, December 28, to 6am on Sunday, December 29. The closures, from Sunset Bl to Wilshire Bl, will facilitate the realignment of lanes (to be shifted westerly) to accommodate roadway widening and drainage work along the freeway median. Lanes will begin to close at 11pm. Ramps will begin to close at 7pm. Detour: From the southbound I-405, exit at Sunset Bl, turn right to northbound Church Ln, turn right to southbound Sepulveda Bl, turn right to westbound Wilshire Bl, and turn right on to the southbound I-405 on-ramp from westbound Wilshire Bl.

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12/26/2013

Segment: Wilshire
Area: Southbound I-405, Santa Monica Bl to National Bl

The southbound I-405 will be fully closed from midnight Thursday, December 26, to 5am on Friday, December 27. The closure, from Santa Monica Bl to National Bl, will facilitate the realignment of lanes (to be shifted westerly) to accommodate roadway widening and drainage work along the freeway median. Lanes will begin to close at 10pm. Ramps will begin to close at 7pm. Detour: From the southbound I-405, exit at Santa Monica Bl, turn right to westbound Santa Monica Bl, turn left to southbound Sawtelle Bl, turn right to westbound National Bl, and turn left on to the southbound I-405 on-ramp from National Bl.

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12/19/2013

Segment: Mulholland
Area: US 101 to the southbound Getty Center Dr off-ramp

The southbound I-405 will be fully closed from US 101 to the Getty Center Dr off-ramp on the nights of Thursday, December 19 (midnight to 5am) and Saturday, December 21 (2 to 7am), weather permitting. Ramp closures begin at 7pm on Thursday, December 19 and Saturday, December 21, 2013. Lane closures begin at 10pm on Thursday, December 19 and Saturday, December 21, 2013.


Here are the resulting closures:

  • The US 101 southbound connector to the southbound I-405
  • US 101 northbound connector to the southbound I-405 
  • Southbound Burbank Bl on-ramp
  • Southbound Ventura Bl on- and off-ramps
  • Southbound Valley Vista Bl on- and off-ramps 
  • Southbound Skirball Center Dr on- and off-ramps
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12/15/2013

Segment: Mulholland
Area: Mulholland Bridge and Mulholland Dr

In preparation for the opening of the Mulholland Bridge to full capacity, the contractor will be conducting traffic signal and electrical work on the Mulholland Bridge and Mulholland Dr, which requires:

  • Full nightly closure of Mulholland Bridge from 10pm to 6am on Sunday, December 15, Monday, December 16, and Tuesday, December 17, 2013
  • Mulholland Dr from Casiano Rd to Skirball Center Dr will be reduced with flaggers from 6am to 10pm on Tuesday, December 17, 2013
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12/13/2013

Segment: Mulholland
Area: Southbound Valley Vista on-ramp

Beginning Friday, December 13, 2013 at 7pm to Monday, December 16, 2013 at 6am, the southbound Valley Vista on-ramp will be closed to allow the contractor to demolish and excavate the existing southbound Valley Vista on-ramp and place, compact, pave asphalt, and stripe the new ramp.

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12/11/2013

Segment: Mulholland
Area: Skirball Park & Ride

Beginning Wednesday, December 11, 2013 and continuing through Wednesday, January 15, 2014, the Skirball Park & Ride will be temporarily closed for improvements and unavailable for public parking. Please see the attached notice for details and alternate parking information.

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12/03/2013

Segment: Mulholland
Area: Mulholland Bridge

There will be intermittent full nightly closures of the Mulholland Bridge from Tuesday, December 3, 2013 to Monday, December 16, from 10pm to 6am.

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12/03/2013

Segment: Mulholland
Area: Mulholland Bridge

As one of the final steps before fully restoring the Mulholland Bridge, a traffic switch will be implemented on Tuesday, December 3, 2013, at 10am through Tuesday, December 10, 2013, at 6am. This means the southern lanes on the bridge will be closed and the northern lanes on the bridge will be open. This work does not reduce any capacity on the bridge. Traffic control officers will be stationed at the intersection of Skirball Center Dr and Mulholland Dr during the morning and afternoon peak hours. See attached notice for details.

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12/03/2013

Segment: Mulholland
Area: Mulholland Bridge

As one of the final steps before fully restoring the Mulholland Bridge, a traffic switch will be implemented on Tuesday, December 3, 2013, at 10am through Tuesday, December 10, 2013, at 6am. This means the southern lanes on the bridge will be closed and the northern lanes on the bridge will be open. This work does not reduce any capacity on the bridge. Traffic control officers will be stationed at the intersection of Skirball Center Dr and Mulholland Dr during the morning and afternoon peak hours. See attached notice for details.

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12/03/2013

Area: Northbound On-Ramp from Getty Center Dr

From Tuesday, December 3, 2013, through Sunday, February 2, 2014, the northbound Getty Center Dr on-ramp will be closed.

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12/02/2013

Segment: Sunset
Area: Southbound Getty Center Dr on-ramp

From Monday, December 2, 2013, through Friday, January 10, 2014, the southbound Getty Center Dr on-ramp will be closed from 9am to 3pm and 7pm to 6am.

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11/24/2013

Segment: Mulholland
Area: Full Directional Southbound I-405 Closure from U.S. 101 to Getty Center Dr.

From 2am to 7am on Sunday morning, November 24, 2013, there will be a full directional closure of southbound I-405 from US 101 to Getty Center Dr to shift lanes to the west for work on the freeway median. This operation will only happen if weather permits. To allow this work, the following closures will take place:

  • The US 101 connector to the southbound I-405
  •  Southbound Burbank Bl on-ramp
  •  Southbound Ventura Bl on- and off-ramps
  •  Southbound Valley Vista Bl on- and off-ramps 
  •  Southbound Skirball Center Dr on- and off-ramps
  •  State ramps will begin closing at 7pm and lane closures will begin at 9pm

 

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11/15/2013

Segment: Mulholland
Area: Mulholland Bridge and Mulholland Dr from Zeldins Way To Skirball Center Dr

The contractor will demolish, excavate, and pave roadway on the Mulholland Bridge and Mulholland Dr, which requires:

  • Full nightly closure of Mulholland Bridge from 10pm to 6am on Friday, November 15, Saturday, November 16, and Sunday, November 17, 2013
  • Mulholland Dr from Zeldins Way to Skirball Center Dr will be reduced with flagger from 6am to 10pm on Saturday, November 16, and Sunday, November 17, 2013
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11/08/2013

Segment: Sunset
Area: Sepulveda Bl from Montana Av to Moraga Dr with the Acanto St detour

From Friday, November 8, 2013, and continuing for approximately three weeks, from 10pm to 6am, a full Sepulveda Bl closure will take place from Montana Av to Moraga Dr with the Acanto detour.

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11/08/2013

Segment: Mulholland
Area: Sepulveda Bridge work in Sherman Oaks

Beginning 10pm, Saturday, November 9, 2013, to 5am, Sunday, November 10, 2013, the contractor will pour concrete into the column form for the Sepulveda Bl Bridge in Sherman Oaks. The following closures will be in place to allow for this work:

  • Sepulveda Bl between Sherman Oaks Av and the southbound Valley Vista on-ramp
  • Fiume Walk
  • Southbound Valley Vista on- and off-ramps
  • Southbound 3,4,5 lanes on the I-405 between the Valley Vista Bl on-and off-ramps
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11/03/2013

Segment: Sunset
Area: Sepulveda Bridge near the Getty Ramps

The contractor will be demolishing the barrier for the freeway overpass near the Getty ramps from 10pm on Sunday, November 3, 2013, to 5am, Monday, November 4, 2013, which will require the closure of:

  • Full closure of Sepulveda Bl between the northbound Getty Center Dr on-ramp to the southbound Getty Center Dr on-ramp
  • The southbound 3, 4, 5 freeway lanes will be closed near the freeway overpass
  • The southbound Getty Center Dr off-ramp
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11/01/2013

Segment: Mulholland
Area: Northbound Getty Center Dr Off-ramp

On Friday, November 1, 2013 from 7pm to Monday, November 4, 2013 at 6am, the northbound Getty Center Dr off-ramp will be closed.

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11/01/2013

Segment: Mulholland
Area: Full Mulholland Bridge and Mulholland Dr Flagger Closure

The contractor will demolish, excavate, and pave roadway on the Mulholland Bridge and Mulholland Dr, which requires:

  • Full nightly closure of Mulholland Bridge from 10pm to 6am on Friday, November 1, 2013, and Saturday, November 2. Mulholland Dr from Casiano Rd to Zeldins Way will bereduced with flagger from 6am to 10pm on Saturday, November 2, 2013, and Sunday, November 3.
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10/26/2013

Segment: Mulholland
Area: Skirball Bridge and Full I-405 Closures

On Saturday, October 26, 2013 and continuing through Monday, October 28, 2013, the contractor will be pouring the Skirball Bridge deck which requires:

  • Full southbound I-405 closure from Valley Vista Bl to the southbound Skirball Center Dr on-ramp on Sunday, October 27, 1am to 4:30am with lanes closures starting on Saturday, October 26 at 10pm
  • Full northbound I- 405 closure from Getty Center Dr to the northbound Skirball on-ramp on Sunday, October 27, 3am to 6am with lane closures starting on Saturday, October 26 at 10pm
  • The Skirball Bridge will be closed from northbound Skirball Center Dr off-ramp to Sepulveda Bl on Saturday, October 26 and Sunday, October 27, 10pm to 6am
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10/25/2013

Segment: Mulholland
Area: Southbound Valley Vista On-ramp Closure

On Friday, October 25, 2013 at 7pm to Monday, October 28, 2013 at 6am, the southbound Valley Vista on-ramp will be closed. Please see notice for further details.

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10/25/2013

Segment: Sunset
Area: Northbound I-405 Moraga Dr Off-ramp and On-ramp

The northbound I-405 Moraga Dr ramps will be graded, paved, and reconfigured form 7pm on Friday, October 25 through 6am on Monday, October 28. This work requires a weekend-long closure of the Moraga Dr off-ramp and on-ramp, from 7pm on Friday, October 25 to 6am on Monday, October 28. Work will require a closure of the southbound 2 lane on SB Sepulveda Bl, from 300 ft north of Moraga Dr to the Moraga Dr off-ramp, from 10pm on October 25 to 6am on October 28.

The Moraga ramps are being reconstructed for a 30% increase in vehicle capacity.

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10/25/2013

Area: Where's it happening?

The contractor will demolish, excavate, and pave roadway on the Mulholland Bridge and Mulholland Dr, which requires:

• Full closure of Mulholland Bridge from 10pm to 6am on Friday, October 25, 2013, Saturday, October 26, 2013, and Sunday, October 27

• Westbound flagger closure on Mulholland Dr from Mulholland Bridge to Zeldins Way from 6am to 10pm on Saturday, October 26, 2013 and Sunday, October 27, 2013

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10/22/2013

Segment: Mulholland
Area: Sepulveda at Valley Vista Bl

Please note the work for Monday, October 21, 2013, has been updated to Tuesday, October 22, 2013 from 10pm to Wednesday, October 23, 2013 at 5 am. There will be a full closure on Sepulveda Bl between Sherman Oaks Av and the southbound Valley Vista Bl on-ramp; Fiume Walk; the southbound Valley Vista Bl on and off-ramps; and the 3, 4, 5 lanes on southbound I-405 between the Valley Vista Bl on- and off-ramps.

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10/22/2013

Segment: Sunset
Area: Church Ln and Sepulveda Bl

The contractor will remove false work and finalize deck construction on the Church Ln bridge undercrossing, Tuesday, October 22 to Friday, November 15, 10pm to 6am.

Consequently, Church Ln will be closed from the southbound I-405 Sunset Bl off-ramp to Sepulveda Bl. The southbound I-405 Sunset Bl off-ramp will be closed as well. Sepulveda Bl will be closed from Montana Av to Moraga Dr. Please see the notice for detours.

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10/21/2013

Segment: Wilshire
Area: Bike path from Waterford St to Constitution Av

The bike path along the west side of the southbound I-405, from Waterford St to Constitution Av, will be closed from Monday, October 21 to Saturday, November 30th, 24 hours a day, due to construction of a drainage system at Waterford St and Church Ln. Construction will require excavation, saw cutting of sidewalk, and potholing for utilities. The detour route for cyclists is: north on Church Ln, right to eastbound Montana, right to southbound Sepulveda, and right to westbound Constitution Av. The detour route for pedestrians is: north on Church Ln, left on Sunset Bl, left on Barrington Av, left on San Vicente Bl, and left on Wilshire Bl.

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10/21/2013

Segment: Wilshire
Area: Bike path from Waterford St to Constitution Av

The bike path along the west side of the southbound I-405, from Waterford St to Constitution Av, will be closed from Monday, October 21 to Saturday, November 30th, 24 hours a day, due to construction of a drainage system at Waterford St and Church Ln. Construction will require excavation, saw cutting of sidewalk, and potholing for utilities. The detour route for cyclists is: north on Church Ln, right to eastbound Montana, right to southbound Sepulveda, and right to westbound Constitution Av. The detour route for pedestrians is: north on Church Ln, left on Sunset Bl, left on Barrington Av, left on San Vicente Bl, and left on Wilshire Bl.

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10/18/2013

Segment: Mulholland
Area: Sepulveda Bridge Work

On Friday, October 18, 2013, from 10pm to 5am, and on Monday, October 21, 2013, from 10pm to 5 am, Sepulveda Bl will be completely closed between Sherman Oaks Av and the southbound Valley Vista Bl on-ramp; Fiume Walk; the southbound Valley Vista Bl on and off-ramps; and the 3, 4, 5 lanes on southbound I-405 between the Valley Vista Bl on and off-ramps will also be closed.

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10/15/2013

Segment: Sunset
Area: Closure of Ovada Pl for Sidewalk Reconstruction

Ovada Pl will be closed to facilitate demolition, grading, and reconstruction of the sidewalk on the north side of Ovada Pl, between Sepulveda Bl and Acanto St, from 7am to 5pm, Tuesday, October 15 to Sunday, October 20. The sidewalk will be closed 24 hours a day until the completion of reconstruction. The detour for pedestrians lies across the street, to the south side of Ovada Pl.

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10/11/2013

Segment: Mulholland
Area: Mulholland Dr from Mulholland Bridge to Casiano Rd

The westbound lane on Mulholland Dr from Mulholland Bridge to Casiano Rd will be closed with flaggers from Friday, October 11, 2013 at 10pm to Monday, October 14, 2013, at 6am.

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10/09/2013

Segment: Wilshire
Area: Bike path from Waterford St to Constitution Av

Beginning Wednesday, October 9, 2013 and continuing to Sunday, October 13, construction will require the full closure of the Constitution Av bike path along retaining wall 1685, Constitution Av to Waterford St. The closure will take place from 7am to 4pm each day.

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10/09/2013

Segment: Sunset
Area: Sunset cul de sac

The Sunset cul de sac will be closed with a flagger in-place due to excavation, lay, and backfill of drainage, and to facilitate curb and gutter construction. Hours of closure are from 7am to 4pm. Closure will be implemented from Wednesday, October 9 to Friday, November 8. Flagger will assist in maintaining access to residents.

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10/08/2013

Segment: Sunset
Area: Sepulveda Bl

On Thursday, October 8, 2013 and Friday, October 9, construction will require pile driving for Wall 1738A near the northbound I-405 off-ramp to eastbound Sunset Bl. Work hours are from 7am to 5pm.

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10/08/2013

Segment: Sunset
Area: Sepulveda Bl

On Thursday, October 8, 2013 and Friday, October 9, construction will require pile driving for Wall 1738A near the northbound I-405 off-ramp to eastbound Sunset Bl. Work hours are from 7am to 5pm.

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10/07/2013

Segment: Wilshire
Area: Olympic Bl from Cotner Av to Beloit Av

Beginning Monday, October 7, 2013 and continuing through Friday, October 18, construction will require the closure of the eastbound and westbound 2, 3 lanes on Olympic Bl.

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10/07/2013

Segment: Wilshire
Area: Olympic Bl from Cotner Av to Beloit Av

Beginning Monday, October 7, 2013 and continuing through Friday, October 18, construction will require the closure of the eastbound and westbound 2, 3 lanes on Olympic Bl. Boundaries for this lane closures on Olympic Bl span Cotner Av to Beloit Av. Construction will occur during the daytime from 9am to 3pm and during the evening hours from 9pm to 5am.

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09/27/2013

Segment: Mulholland
Area: Southbound Valley Vista On-ramp closure

From Friday, September 27 at 7pm to Monday, September 30 at 5am, the southbound Valley Vista on-ramp and the northbound Sepulveda Bl right turn lane to the on-ramp will be closed. This closure will also take place the weekends of October 4 to 7 and October 11 to during the same time period.

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09/23/2013

Segment: Mulholland
Area: Sepulveda Bl from Mountaingate Dr to 500 north of Mountaingate Dr

Beginning Monday, September 23, 2013 and continuing through December 1, 2013, LADWP will be undergrounding its overhead lines on Sepulveda Bl from Mountaingate Dr to 500 feet north of Mountaingate Dr.

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09/17/2013

Segment: Mulholland
Area: Valley Vista Bl

AT&T will perform a bore operation underneath the I-405 freeway along Valley Vista Bl. Closures occur from September 17 to December 18, 2013, Monday through Saturday, from 7am to 3pm.

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07/01/2013

Segment: Wilshire
Area: Wilshire Bl sidewalk from Sepulveda Bl to Veteran Av

The sidewalk on the south side of Wilshire Bl, from Sepulveda Bl to Veteran Av, is scheduled to be closed to pedestrians from Monday, July 1, 2013 through December 2013. This closure is to relocate a Southern California Edison manhole on the south side of Wilshire Bl. Once this work is complete, the sidewalk, curb and gutter will be replaced.

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If Daily Closures are not displaying below, please visit the project Facebook or Twitter pages for the latest closures.

 

The I-405 Sepulveda Pass Improvements Project utilizes Twitter to post closure updates every workday afternoon. For your convenience, the updates are organized by segment. You can also view these Daily Updates on our Facebook, Twitter.

Closure Widget: Learn how to embed the Daily Closures onto your website

More Info: Typical Freeway Closures | Service Delays | Detour Maps

The abbreviations below help us organize the Daily Updates by segment.
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
SU
MO
TU
WE
TH
FR
SA
All
Wilshire
Sunset
Mulholland
ALL
WIL
SUN
MUL

All Segments



Wilshire Segment (National Bl to Waterford St)



Sunset Segment (Waterford St to Getty/Sepulveda Bl)



Mulholland Segment (Sepulveda Bl to US 101 Highway)



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