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I-405 Sepulveda Pass Improvements Project

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Skirball On-Ramps and Bridge Reconstruction
Status: Completion of the Skirball Bridge expected September 2014.
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 until Mid-May 2014
Mulholland Dr Bridge Demolition & Reconstruction
Status: Mulholland Bridge completed December 2013.

With the opening of the full 10 miles of the new northbound high-occupancy vehicle (HOV) lane between the I-10 and US 101 on May 23, the Los Angeles County Metropolitan Transportation Authority (Metro), the California Department of Transportation (Caltrans) and contractor Kiewit Infrastructure West have added badly needed capacity to the nation’s busiest freeway and closed the last remaining gap in the entire I-405 carpool lane network.

Some work remains. For example, the Skirball Center Dr southbound on- and off-ramps and the final configuration of the northbound and southbound ramps to and from Sunset Bl will be completed this summer.

Wilshire Segment

Significant elements of the Wilshire Segment are, however, complete, with all the connecting ramps joining I-405 and Wilshire Bl fully open. Bridges and walls within the Wilshire Segment are also complete.

Southbound motorists traveling the I-405 will benefit from the restriping of the freeway under the I-10. Instead of three lanes, motorists can now drive on four lanes.

Bridge Status

Bridge Status

Sunset Segment

In the Sunset Segment, Reconstruction of the Church Ln intersection is anticipated for June 2014. Full restoration of the Moraga Dr ramps is complete. Restoration of Sepulveda Bl at Moraga Dr included double left-turn lanes onto the northbound Moraga Dr on-ramp from northbound Sepulveda Bl.

Sepulveda Bridge (Bridge 19) near the Getty Center Dr ramps is complete! Minor clean-up work to the southbound median approach slabs nears an end.

Bridge Construction Status

Bridge Construction Status

Mulholland Segment

Final striping of the Southbound Valley Vista Off-Ramp is 90 percent complete. Sepulveda Bridge (adjoining the Valley Vista ramps) is complete, with roadway work continuing under the bridge.

We anticipate the Skirball Center Dr Bridge to be finished in Summer 2014. Remaining work includes installing the permanent fence and completing the wildlife crossing.

The majority of the retaining walls in the Mulholland Segment are complete. The remaining major wall under construction, Wall 1921, runs along the west edge of Sepulveda Bl between Skirball Center Dr and Mountaingate Dr. Wall 1921 must be complete before the final configuration of Sepulveda Bl in this area can be opened.

For the southbound Skirball Center Dr off-ramp, work stands at 85 percent complete. Work is 95 percent complete for the southbound on-ramp. The northbound Skirball Center Dr off-ramp and on-ramp have been opened to full capacity.

Project Overview

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 walls and sound walls

Construction Notice Archives | Lane Closures | Detour Maps

Construction Notices

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Start Date Notice Brief More Info

06/27/2014

Segment: Mulholland
Area: Skirball Park & Ride

Beginning at 10pm, Friday, June 27, to 3pm, Thursday, July 3, the Skirball Park & Ride will be fully closed to demolish, grade, and pour the southern driveway at the Skirball Park & Ride. Parking will not be available; VIOLATORS WILL BE TOWED. The Skirball Bridge will be reduced with flaggers during this time to conduct curb and gutter work.

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06/18/2014

Segment: Mulholland
Area: Mulholland Bridge

The Mulholland Bridge will be fully closed to switch traffic and restripe the intersection of Skirball Center Dr and Mulholland Dr from 10pm, Wednesday, June 18, to 6am, Thursday, June 19. The operation will require the closure of:

  • Northbound Skirball Center Dr lanes from the northbound Skirball Center Dr on-ramp to Mulholland Dr. Traffic will be maintained in both directions.
  • Northbound Skirball Center Dr off-ramp
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05/07/2014

Segment: Sunset
Area: Northbound I-405 from Moraga Dr to Greenleaf St

The northbound I-405 will be fully closed from Moraga Dr to Greenleaf St for five consecutive nights.

Schedule:
• Night of Wednesday, May 7, midnight to 5am, Thursday, May 8
• Night of Thursday, May 8, midnight to 5am, Friday, May 9
• Night of Friday, May 9, 1am to 6am, Saturday, May 10
• Night of Saturday, May 10, 2am to 7am, Sunday, May 11
• Night of Sunday, May 11, midnight to 5am, Monday, May 12
• Ramps begin closing as early as 7pm on the nights of each operation and lanes begin closing at 10pm on the night of each operation.

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04/22/2014

Segment: Mulholland
Area: Northbound I-405 Closure, Getty Ctr Dr to Greenleaf

The northbound I-405 will be fully closed from Getty Center Dr to Greenleaf St on the night of Tuesday, April 22 from midnight to 5am on Wednesday, April 23rd. The closure will accommodate the removal and installation of overhead signs.

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04/18/2014

Segment: Mulholland
Area: Between Mountaingate Dr and Skirball Center Dr

As part of the Sepulveda Bl roadway reconstruction of the northbound 2 lane, Sepulveda Bl will be fully closed between Mountaingate Dr and Skirball Center Dr from 10pm, Friday, April 18 to 10am, Saturday, April 19. 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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04/16/2014

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: 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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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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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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