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Subsurface Investigation Work on South Sepulveda Blvd. and in the Caltrans Yard


Metro contractors will be investigating subsurface conditions, also known as geotechnical investigation, along the tunnel alignment of the Purple Line Extension Section 3 at various locations from now through Fall 2019. These investigations will prepare for future jet-grouting activities to support the tunnels. Work will occur on Sepulveda Blvd. and in the Cal Trans Yard from Wednesday, August 14 to Friday, August 16 and on S. Sepulveda Blvd. from Wednesday, August 28 to Friday, August 30.

S. Sepulveda Blvd., south of Wilshire Blvd.

Dates: Wednesday, August 28 to Friday, August 30

Work Hours: 9am to 3:30pm

  • Southbound traffic will be reduced on South Sepulveda Blvd. just south of Wilshire Blvd. 

Caltrans Yard on the southeast corner of Wilshire Blvd. and Sepulveda Blvd.

Dates: Wednesday, August 14 to Friday, August 16

Work Hours: 7am to 5pm

  • Work will occur in the Caltrans Yard and will not impact the public right of way.
  • Access to the yard will be temporarily restricted to allow construction personnel and equipment to enter and exit the site.

Metro Access

For information changes to Metro service, please call 323.GoMetro or visit:

What to Expect

  • All work has received necessary permits and approvals.
  • Access to driveways, homes & businesses will be maintained at all times unless notified in advance.
  • Access for pedestrians will be maintained outside of construction zones.
  • Access for the Fire Department and emergency responders will be maintained.
  • Temporary lane closures will be required; detours with signage will be implemented.
  • Parking restrictions will be implemented in the immediate area of the work zone.
  • Temporary bus stops with relocation signage will be implemented.
  • For emergencies or issues needing immediate attention only, please call the 24/7 hotline at (213) 922-6934.

Contact Us

Phone: 213.922.6934
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Doing Business with Metro 

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