SB I-405 freeway closure between Santa Monica Blvd and National Blvd planned Friday night, September 6

A closure taking place on the I-405 tonight. Here’s the press release from Metro:

The I-405 Sepulveda Pass Improvements contractor will be adjusting K-rail and shifting freeway lanes to the west Friday night, September 6. This will require a full southbound directional freeway closure from Santa Monica Boulevard to National Boulevard from 12 a.m. until 6 a.m. Saturday morning.


The detour route for the full Southbound I-405 closure from Santa Monica Blvd to National Boulevard on-ramp is as follows: Exit Southbound Santa Monica off-ramp, east on Santa Monica Boulevard, south on Sepulveda Boulevard, West on National Boulevard to the Southbound I-405 on-ramp.

What to Expect:

Emergency vehicle access will be maintained.

For additional project information or to obtain detour maps, visit  Follow the project on social media at and For real-time traffic conditions, visit Caltrans web site at