Caltrans Announces Northbound I-405 Lane Reductions Through the Sepulveda Pass: May 2026

Published:

This is not a comprehensive May schedule and additional dates may be added once confirmed.

LOS ANGELES — Caltrans announces extended weekend lane reductions along northbound Interstate 405 (I-405) through the Sepulveda Pass. Northbound I-405 will be reduced to two or three lanes depending on the weekend and motorists are strongly encouraged to seek alternate routes and explore public transportation options to reach their destinations. Southbound I-405 will not be impacted by lane reductions.

Commuters can expect extended weekend lane reductions on the following: 

  • 10 p.m. Friday, May 1, through 5 a.m. Monday, May 4
  • 10 p.m. Friday, May 15, through 5 a.m. Monday, May 18

Motorists traveling along I-405 will experience the following lane reductions, ramp and connector closures:

Northbound I-405: May 1-4

  • Reduced to three lanes between Skirball Center Drive and Ventura Boulevard
  • Skirball Center Drive on-ramp to northbound I-405 closed
  • Northbound I-405 off-ramp to Getty Center Drive closed

Alternate Routes for I-405: May 1-4

  • Sepulveda Boulevard to northbound I-405: Travel north on Sepulveda Boulevard to the Greenleaf/Ventura Blvd. on-ramp to northbound I-405 

Northbound I-405: May 15-18

  • Reduced to two lanes between Burbank Boulevard and Victory Boulevard
  • Northbound I-405 off-ramp to Victory Boulevard closed
  • Burbank Boulevard on-and-off-ramps to northbound I-405 closed
  • Northbound and southbound U.S. 101 connectors to northbound I-405 closed
  • Northbound I-405 off-ramp to Getty Center Drive closed

Detour Routes: May 15-18

  • Northbound U.S. 101 to northbound I-405: Exit at Sepulveda Boulevard off-ramp and head north on Sepulveda Boulevard. Head west on Victory Boulevard to the on-ramp to northbound I-405.
  • Southbound U.S. 101 to northbound I-405: Travel southbound on I-405 and exit at Ventura Boulevard. Head east on Ventura Boulevard, south on Dickens Street, south on Sepulveda Boulevard to the on-ramp to northbound I-405.

There will be about 25 extended weekend lane reductions for this project. Due to weather or operational reasons, the schedule is subject to change including the times and dates of closures, the number of lanes closed and other details.

Residents and businesses located near construction may experience noise, vibrations and dust associated with construction activities. Please visit the Caltrans Quickmap for current road conditions.

This work is part of the I-405 Pavement Rehabilitation Project between the Los Angeles communities of Van Nuys and Westwood along the Sepulveda Pass. This project will apply about $143.7 million toward improving the safety and mobility along I-405 between Van Nuys and Westwood as well as extend the pavement life.

For more information on the project visit the project webpage. Sign up for weekly email notifications.

Caltrans reminds drivers to “Be Work Zone Alert” and to “Slow for the Cone Zone.”

May 1-4 Map

 

I-405 Extended Weekend Map April 3-6

 

May 15-18 Maps

 

I-405 EWC May 8-11 Ramp Closure Map

 

405 May 8-11 EWC US 101 Connector Closure Map

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