Traffic & Transit

Gridlock Alert: Major 405 Freeway Closures Set To Jam Up The Westside Again This Weekend

Here's everything you need to know about avoiding some major traffic headaches this weekend.

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Traffic is expected to be impacted on the 405 Freeway this weekend when construction shuts down several lanes on both sides of the interstate near the Sepulveda Pass.
Traffic is expected to be impacted on the 405 Freeway this weekend when construction shuts down several lanes on both sides of the interstate near the Sepulveda Pass. (Paige Austin/Patch)

LOS ANGELES, CA — Traffic is expected to be impacted on the 405 Freeway this weekend when construction shuts down several lanes as well as ramps at major boulevards.

It's the latest installment of what officials expect to be many months of weekend-long lane closures on the 405.

Here's what you need to know:

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  • The freeway will be reduced to three lanes in each direction from 10 p.m. Friday until 5 a.m. Monday.
  • On the northbound side, the lane closures will stretch from Santa Monica Boulevard to just north of Sunset Boulevard.
  • On the southbound side, the lane closures will stretch from just north of Sunset Boulevard to eastbound Wilshire Boulevard.

The following ramps will be closed on the northbound side:

  • Santa Monica Boulevard on-ramp
  • Wilshire Boulevard off-ramp
  • Sepulveda Boulevard and Moraga Drive off-ramp
  • Sunset Boulevard on- and off-ramps
  • eastbound and westbound Wilshire Boulevard on-ramps

And the following southbound ramps will be closed:

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  • Sunset Boulevard/Church Lane on- and off-ramps
  • westbound Wilshire Boulevard on-ramp

Alternate Routes

During the weekend-long closure last month, motorists reported painful gridlock on both the freeway and nearby surface streets.

Caltrans recommends that motorists use other freeways to get to their destinations. For example, a driver traveling from the West San Fernando Valley to the Westside can avoid the 405 Freeway by taking the southbound 101 Freeway to the westbound 10 Freeway.

Those that must take the 405 can use the following alternate routes:

  • Santa Monica Boulevard to northbound 405: Travel east on Santa Monica Boulevard and north on Sepulveda Boulevard to the on-ramp to northbound 405 at Moraga Drive.
  • Sunset Boulevard to southbound 405: Travel north on Church Lane, south on Sepulveda Boulevard, west on Santa Monica Boulevard to the on-ramp to southbound 405.

Read Patch's breakdown about what to expect with Caltrans' 25 scheduled weekend-long closures of the 405.

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