Here’s the press release from  Metro:

The I-405 Sepulveda Pass Improvements Project contractor is scheduled to conduct two consecutive nighttime freeway closures on the southbound I-405 between Santa Monica Boulevard and National Boulevard in West Los Angeles the nights of Friday, June 13 and Saturday, June 14, 2014 to facilitate thermoplastic freeway striping.

Closure information is as follows:

• Midnight on Friday, June 13 to 6 a.m. Saturday, June 14
• Midnight on Saturday, June 14 to 6 a.m. Sunday, June 15

Ramps will begin to close at 7 p.m. and lanes will begin to close at 11 p.m.

Ramp Closures:

Southbound on-ramp from Santa Monica

Southbound on-ramp from eastbound Wilshire Boulevard

Southbound on-ramp from westbound Wilshire Boulevard

Southbound on-ramp from eastbound Sunset Boulevard

Southbound on-ramp from westbound Sunset Boulevard

Detour:  Take the Southbound Santa Monica off-ramp, head east on Santa Monica Boulevard, south on Sepulveda Boulevard, west on National Boulevard to the Southbound National on-ramp.

What to expect:

• Work is dependent on favorable weather conditions.
• Emergency access will be maintained at all times.
• For a listing of daily closures and latest updates visit our website at www.metro.net/405 or follow us on twitter: www.twitter.com/I_405 and Facebook at www.facebook.com/405project.