Here’s the press release from Metro:

The I-405 Sepulveda Pass Improvements Project contractor is scheduled to conduct roadway reconstruction work of approximately one-half mile of Sepulveda Boulevard in West Los Angeles between Montana Avenue and Church Lane between March 14 and April 28, 2014. The contractor will perform a full-depth reconstruction of this portion of Sepulveda Boulevard, demolishing existing asphalt concrete, grading, compacting and paving new roadway.  This work will require daytime lane reductions and full night-time and weekend street closures in this area.

The work schedule is as follows:

Sepulveda Boulevard Closures from Montana Avenue to Church Lane:

Full weekend closures: from 10 p.m. on Fridays to 6 a.m. on Mondays, March 14 to April 28.

Reduced to One Lane in Each Direction: from 6 a.m. to 10 p.m., Mondays to Fridays, March 14 to April 28.

Full nighttime closures: 10 p.m. to 6 a.m. on weekday nights, March 17 to April 28.

Detours:  Night & Weekend Closures:

Southbound Sepulveda, right to westbound/southbound Church Lane, left to eastbound Montana, right to southbound Sepulveda.

Northbound Sepulveda, left to westbound Montana Avenue, right to northbound/eastbound Church Lane, left to northbound Sepulveda.

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.