As Caltrans continues its repair and improvement work along the 405 Freeway, several lanes of the freeway will be closed overnight in the Sepulveda Pass area next week.
Dec. 1 – Dec. 5
The first round of lane closures will take place next week, starting on Monday, Dec. 1 and lasting through Friday, Dec. 5, between 9 p.m. and 6 a.m..
While crews install new concrete barriers and perform other work, the following freeway lanes and exits will be impacted:
- Up to two northbound lanes to be closed between Wilshire Boulevard and Skirball Center Drive/Mulholland Drive
- Up to two southbound lanes to be closed between Skirball Center Drive/Mulholland Center Drive and Wilshire Boulevard
- Up to one northbound lane between Sepulveda Boulevard and Victory Boulevard to be closed
- The Burbank Boulevard onramps to northbound and southbound 405 Freeway to be closed
- The 101 Freeway connectors to northbound and southbound 405 Freeway to be closed
⚠️ I-405 EXTENDED WEEKEND WORK ⚠️
Weekend lane reductions and ramp closures along I-405 between Getty Center Drive and Skirball Center Drive happening 10 PM Friday 12/12 to 5 AM Monday 12/15.
Details: https://t.co/J9J4b4KCb5
Alerts: https://t.co/oCgDIPFIQd pic.twitter.com/7TZ1p27kib
— Caltrans District 7 (@CaltransDist7) November 25, 2025
Dec. 12 – Dec. 15
Between Friday, Dec. 12 and Monday, Dec. 15, three lanes in both directions will happen from 10 p.m. to 5 a.m..
- Northbound 405 to be reduced to three lanes from just south of the Getty Center Drive/Sepulveda Boulevard. offramp to just north of Bel Air Crest Road
- Closure of the Getty Center Drive/Sepulveda Boulevard offramp
- Southbound 405 reduced to three lanes from the Skirball Center Drive/Mulholland Drive onramp to the Getty Center Drive/Sepulveda Boulevard onramp
- Closure of the Getty Center Drive/Sepulveda Boulevard on- and off-ramps
- Closure of the Skirball Center Drive/Mulholland Drive on-ramp.
Drivers were urged to seek alternative routes or give themselves extra time to get to their destinations.
Caltrans explained the lane reductions are necessary to ensure safety as crews continue with the 405 Pavement Rehabilitation Project. The $143.7 million initiative is designed to improve safety and mobility along the 405 between Van Nuys and Westwood as well as extend the pavement life, the state agency said.
People who travel to UCLA, Santa Monica and LAX are encouraged to use a different route or give themselves extra time to get to their destination. The LAX Flyway service will also be impacted by the lane closures.
Signage will be available to notify drivers about the detour route, Caltrans said, adding public transportation options are highly encouraged.
The overnight lane closures will last through early 2026, occurring every two weeks at different sections of the 405.
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