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Countdown to the Closure

Extended 53-Hour Closure of I-405 Freeway Between U.S. 101 and I-10 Planned in Mid-July for Mulholland Bridge Demolition Work

Los Angeles, Calif. – Plan Ahead, Avoid The Area, Or Stay Home. That’s the message public safety officials are sending to the public in anticipation of a planned 10-mile, 53-hour closure of the I-405 freeway between the U.S. 101 and I-10 on the weekend of July 16-17, 2011 for planned demolition work on the Mulholland Bridge, part of a major I-405 improvement project.

The Los Angeles Police Department, Los Angeles Fire Department, California Highway Patrol, Los Angeles Department of Transportation, Metro and Caltrans are informing the public in advance that if they do not have a critical need to be in or near the vicinity of the closure, they are being asked to avoid the area.

The specific freeway closure boundaries are as follows:

             Northbound I-405: 10-mile closure between I-10 and U.S. 101

             Southbound I-405: 4-mile closure between U.S. 101 and Getty Center Drive Ramps

Motorists who must travel through the Los Angeles metropolitan area are advised to use alternate freeways within the region, including the 5, 15, 23, 55, 57, 101, 118, 126, 210, 605 and 710 freeways to bypass the impacted area. In addition, public transportation options are available such as the Metro Rail service within L.A. County and Metrolink servicing the five county Southern California region. Additional alternate route information will be made available on the project web site at www.metro.net/I-405.

On Friday, July 15, ramps along the 10 mile closure will begin to be shut down as early as 7 p.m., and closure of freeway lanes will begin at 10 p.m. to ensure full freeway closure by midnight. The closure will continue until 5 a.m. Monday morning, July 18. Ramps and connectors will be reopened by 6 a.m.  During this closure, the Mulholland Bridge, I-405 freeway and access ramps will be closed.

Sepulveda Boulevard is intended as an alternate route for local resident access only. Sepulveda Boulevard will not have the capacity to accommodate both local and diverted freeway traffic. Those using Sepulveda Boulevard should expect extreme congestion and lengthy delays. Motorists should instead use alternate regional freeway routes to completely bypass the Sepulveda Pass.

Traffic conditions on local streets and freeways within the region of Los Angeles County and beyond are expected to be severe, with significant, multi-hour delays.  Motorists who must travel during this weekend are advised to plan ahead, monitor real-time traffic conditions prior to beginning their trips, and follow alternate routes that are provided. Motorists will be informed of the closure in advance by Caltrans-operated freeway message signs with coverage extending into neighboring counties and other metropolitan regions in the state.

Construction crews for the I-405 Sepulveda Pass Improvements Project plan to demolish half the Mulholland Bridge in the Sepulveda Pass of Los Angeles in order to build a new, widened bridge, and a major carpool lane. The construction activity is part of a $1 billion capacity improvement project for the I-405 freeway.

To reduce the work's effects on local traffic flow, the Mulholland Bridge demolition and reconstruction will be conducted in two phases. The southern side of the bridge will be demolished first, followed by approximately 11 months of south-side bridge reconstruction. Upon completion of the south side, the northern side of the bridge will be demolished and rebuilt in the same manner. Another extended freeway closure period will be required for the second phase of work approximately one year later.

The Mulholland Bridge, like the Sunset and Skirball Center bridges, must be removed and rebuilt to accommodate the widening of the I-405 freeway as part of the 10-mile northbound carpool lane construction project. The project will officially complete the northbound carpool lane network between Orange County and the San Fernando Valley. Additional project benefits include improved freeway safety through standardized lane and shoulder widths, greater ramp capacities at key locations, new sound and retaining walls, widened overpasses, widened and seismically updated bridges and new landscaping within the project corridor.

The $1 billion project is a joint effort between Metro and Caltrans, and is being constructed by Kiewit Infrastructure West Co. It is scheduled for completion in 2013. For latest updates visit the project web site at www.metro.net/405 or follow the project on twitter: twitter.com/I_405 and Facebook at facebook.com/405project.

Category: Local


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