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Long-Term Ramp Closures

The two local ramps connecting Highway 101/Doyle Drive to Highway 1/Park Presidio are expected to be closed until major construction of the corridor is complete and traffic is shifted to the final roadway, expected to occur in late 2015 or early 2016.

PDF File View a printable advisory for the long-term ramp closures and their associated detours. (2.0 MB)

These ramp closures do not affect regional traffic coming from or going to the Golden Gate Bridge. The ramps are primarily used by San Francisco residents traveling between the Richmond/Sunset neighborhoods and the Marina/Cow Hollow neighborhoods. The vehicles who typically use these ramps will be dispersed throughout the city street network. Traffic between Marin County, San Francisco and San Mateo County will continue to move unimpeded.

Route Scenarios

Marina to Richmond

The ramp from northbound Highway 101/Doyle Drive to southbound Highway 1/Park Presidio (the “hook ramp”) is expected to be closed until traffic is shifted to the final roadway.

Motorists who use this route are advised to select an alternate route within the city street network. For drivers unfamiliar with the area, an official detour will be marked with signage and will direct drivers to Geary Boulevard/Van Ness Avenue/Lombard Street. Drivers who miss the signed detour and arrive at the closed ramp will be directed to use the "last chance detour" from northbound Doyle Drive to the Merchant Road off-ramp to Lincoln Boulevard, to the Merchant Road on-ramp to southbound Doyle Drive.

Richmond to Marina

The ramp that connects northbound Highway 1/Park Presidio with southbound Highway 101/Doyle Drive towards Lombard Street is expected to be closed until traffic is shifted to the final roadway.

Though completed, this ramp must remain closed during construction for traffic safety purposes. Currently, both directions of traffic are temporarily on the future southbound roadway, and there is not enough merging distance for traffic to merge safely from the Highway 1/Park Presidio connector ramp onto southbound Highway 101/Doyle Drive towards Lombard Street. When the project is complete there will be two separate bridges, one for northbound traffic and the other for southbound traffic, and both connections between Doyle Drive and Park Presidio will be restored.

Motorists who use this route should select an alternate route within the city street network. Drivers who arrive at the closed ramp can use the "last chance detour"; this will entail proceeding northbound on Doyle Drive to the signed detour via the Merchant Road off-ramp to Lincoln Boulevard, to the Merchant Road on-ramp to southbound Doyle Drive.

 
 
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