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May 13, 2013
For Immediate Release << back

Overnight Closures of NB Hwy 1 Beginning May 15, 12:01am

SAN FRANCISCO - Removal of the last remnant of the old Doyle Drive is underway as Phase II construction continues for the Presidio Parkway project. Removal of the old High Viaduct is necessary to make way for construction of the new northbound High Viaduct that will be built in the same footprint. To ensure safety during removal of the old High Viaduct, there will be overnight closures of northbound Highway 1 starting Wednesday, May 15 from 12:01 to 4:00 a.m. Nighttime work and highway closures are expected to continue during the early morning hours, Monday through Saturday, for approximately three weeks.

Crews are carefully deconstructing the old bridge in the opposite order in which it was originally built. The road deck was first demolished, which will be followed by removal of the steel truss, then the columns, and finally the foundation of the structure. 

Planned closure hours for northbound Highway 1 are Monday - Thursday from 12:01 - 4:00 a.m. and Friday - Saturday from 1:00- 5:00 a.m. Detour signage will direct motorists from Highway 1 to Highway 101 via Geary Boulevard/Van Ness Avenue/Lombard Street. These detour routes were selected because they are able to carry a high volume of traffic and use relatively flat streets. The signed detour must be accessible to all vehicles, including large trucks, motor homes, etc.; however, most people will choose their alternate route based on what is most convenient for their trip.

The closure was scheduled for a time when traffic volumes are low.

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Overnight Closures of NB Hwy 1 Beginning May 15, 12:01am
 

Media Contact:

media@presidioparkway.org
415.295.4636

 

 
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