Find segment detour info here
Beginning March 1st
Overview
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The I-405 Sepulveda Pass Improvements Project will add a 10-mile HOV lane and improve supporting infrastructure such as ramps, bridges and sound walls on the San Diego Fwy. (I-405); while widening lanes from the Santa Monica Fwy. (I-10) to the Ventura Fwy. (US-101).
This project will reduce existing and forecasted traffic congestion on the I-405 and enhance traffic operations by adding freeway capacity in an area that experiences heavy congestion. In addition to these modifications, the project will improve both existing and future mobility and enhance safety throughout the corridor.
Project benefits include a decrease in commuter time, reduction in air pollution, and promotion of ridesharing.
The I-405 Sepulveda Pass Improvements Project will:
- Add a 10-mile HOV lane on the northbound I-405 between the I-10 and US-101 Freeways
- Remove and replace the Skirball Center Dr, Sunset Bl and Mulholland Dr bridges
- Realign 27 on and off-ramps
- Widen 13 existing underpasses and structures
- Construct approximately 18 miles of retaining wall and sound wall
Wednesday January 23, 2013
Construction Notices
Construction Notice Archives | Lane Closures | Detour Maps
Construction Notices
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03/08/2013 |
Segment: Wilshire The southbound I-405 off-ramp to westbound Wilshire Bl will be closed beginning Friday, March 8, 2013 at 8pm until 6am on Friday, March 22, 2013. This closure is necessary to demolish the existing off-ramp and to conduct roadway paving and K-rail shifts for the new off-ramp. Click here for Freeway Closures |
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03/05/2013 |
Segment: Mulholland The contractor is anticipating to implement a full closure of Sepulveda Bl, between the southbound Getty ramps and northbound Getty on-ramp, beginning Tuesday, March 5, 2013, for approximately three nights. Click here for Freeway Closures |
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03/04/2013 |
Segment: Wilshire Beloit Av between Santa Monica Bl and Iowa Av will be closed Monday, March 4, 2013 through Saturday, March 9, 2013 between 6am and 5pm. Local access will be maintained for pedestrians and vehicles on Beloit Av. Flaggers will be present to assist with access. This closure is necessary to form, pour and strip the Santa Monica Bl on-ramp. Click here for Freeway Closures |
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03/01/2013 |
Segment: Sunset The northbound I-405 will be reduced from 5 lanes to 2 lanes, from the Montana Av off-ramp to the Getty Center Dr off-ramp, for 55 hours, starting 10pm on Friday, March 1, 2013. The lanes will re-open at 5am on Monday, March 4, 2013. This lane reduction is necessary for paving of the future high occupancy vehicle (HOV) lane and for realignment of the I-405. Click here for Freeway Closures |
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02/22/2013 |
Segment: Mulholland The contractor anticipates the closure of the northbound Skirball Center Drive on- and off-ramps during the February 22 - 24 weekend to support work toward the realignment of the northbound Skirball ramps. The ramps closure will begin at 7pm, Friday night, and last until 6am, Monday morning, weather permitting. Click here for Freeway Closures |
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02/21/2013 |
Segment: Wilshire Wilshire Bl will be fully closed on week nights from Thursday, February 21, 2013 through Friday, March 1, 2013, from 10pm to 5am, from Bonsall Av to Sepulveda Bl. This night closure is necessary to install the overhang falsework for the I-405 Bridge at Wilshire Bl. Click here for Freeway Closures |
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02/20/2013 |
Segment: Wilshire Pico Bl will be fully closed the nights of Wednesday, February 20, 2013 and Thursday, February 21, 2013, from 9pm to 6am, from Sawtelle Bl to Cotner Av. This night closure is necessary to form and pour the barrier and strip the forms for the I-405 Bridge at Pico Bl. Click here for Freeway Closures |
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02/12/2013 |
Segment: Mulholland The contractor will implement nightly full closures of Sepulveda Bl between Skirball Center Dr and Mountaingate Dr from 10pm to 6am for approximately three months. These closures are anticipated to begin Tuesday, February 12, 2013. This closure is required to support the widening of Sepulveda Bl and create additional capacity to accommodate the new southbound Skirball ramps. Click here for Freeway Closures |
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02/08/2013 |
Segment: Wilshire This is a revised notice. The Cotner Av on-ramp to northbound I-405 will be closed nightly, beginning Friday, February 8, 2013, until Friday, March 1, 2013. During daytime hours, the on-ramp will be reduced from two lanes to one lane. Turn pockets on Cotner Av for on-ramp access will be closed nightly during the ramp closure. This closure is necessary to demolish the existing on-ramp, and to conduct roadway paving and K-rail shifts for the new on-ramp. Click here for Freeway Closures |
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02/08/2013 |
Segment: Mulholland Nightly full closures of Sepulveda Bl, between Skirball Center Dr and Mountaingate Dr, will begin Friday, February 8, 2013. These nightly closures will occur between 10pm and 6am and is anticipated to last approximately three months. A detour map will be made available soon and detour signs will be placed in the area. The full Sepulveda Bl closure near the Getty ramps has been postponed. Click here for Freeway Closures |
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01/18/2013 |
Segment: Sunset Steel pile driving will be conducted at the northbound I-405 Sunset Bl off-ramp from 7am to 4pm starting Friday, January 18, 2013. This work is expected to continue until Monday, February 4, 2013. The steel pile driving is necessary for construction of the bridge abutment foundation. Click here for Freeway Closures |
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01/17/2013 |
Segment: Wilshire Wilshire Bl will be fully closed on week nights from Thursday, January 17, 2013, to Friday, February 8, 2013, from 10pm to 5am, from Federal Av to Sepulveda Bl. This night closure is necessary to install metal bridge decking for the southbound I-405 off-ramp to eastbound Wilshire Bl. Click here for Freeway Closures |
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01/17/2013 |
Segment: Wilshire This is a revision to a prior notice. Wilshire Bl will now be fully closed on weeknights from Thursday, January 17, 2013,until Tuesday, February 12, 2013, from 10pm to 5am, from Federal Av to Sepulveda Bl. One weekend night closure is expected on Saturday, February 9, 2013. These night closures are necessary to install metal bridge decking for the southbound I-405 off-ramp to eastbound Wilshire Bl. Click here for Freeway Closures |
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01/17/2013 |
Segment: Sunset The Sunset Way cul-de-sac will be closed from 7am to 5pm starting Thursday, January 17, 2013. The closure is expected to continue until Friday, January 25, 2013. This closure is necessary to excavate for construction of retaining wall 1738A Click here for Freeway Closures |
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01/07/2013 |
Segment: Wilshire Exposition Bl will be fully closed on Monday, January 7, 2013, and Wednesday, January 9, 2013, 10pm to 5am, from Sawtelle Bl to Sepulveda Bl. This night closure is necessary to construct deck enforcement formwork for the I-405 Exposition Bl Bridge undercrossing. Click here for Freeway Closures |
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12/13/2012 |
Segment: Sunset On Thursday, December 13, 2012, the contractor is anticipated to begin demolishing the outer edge and the sound wall on the overpass above Sepulveda Bl. Consequently, for approximately two nights, Sepulveda Bl will be closed in both directions, 10pm to 6am, between Sherman Oaks Av and Valley Vista Bl, to support demolition. Click here for Freeway Closures |
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12/10/2012 |
Area: Sepulveda Wy to Bronwood Av Wall construction along Sepulveda Bl, between Bronwood Av and Sepulveda Wy (to support the reconstruction of the northbound Sunset o |