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New Low Viaducts, Tunnel Roofs and Hwy 1/101 Alignment

Construction is ramping up on the East End of the Presidio Parkway, with the Low Viaducts beginning to take shape. Closer to the Golden Gate Bridge, concrete is being poured for the roadway bed of the High Viaduct, which will soon be connected to the newly realigned Highway 1/101 interchange.

Check out the September Construction Update and the Highway 1/101 Look Ahead slideshow.

Fri, September 12, 2014
Overnight Closures of NB Hwy 1, Early Morning Hours of September 16-19
There are overnight closures of northbound Highway 1 scheduled for the early morning hours of Tuesday, September 16 through Friday, Septemb... more 
Thu, September 11, 2014
Traffic Control on Mason St. for Utility Work, Beginning September 15
Beginning the week of September 15, for approximately one month, there will be one way traffic control along Mason Street between the ... more 
Tue, September 9, 2014
New Alignment on Southbound Highway 101, Beginning September 14
In preparation for a traffic shift and new temporary alignment at the Highway 101/1 interchange, there will be nighttime roadway constructi... more 
Fri, August 22, 2014
Girard Road Widening Construction Update, August 2014
The future Girard Road will provide direct access to the Presidio and Marina from Doyle Drive. Beginning in August and continuing through the end of the year, construction activity along Girard Road will ramp up a... more 
Fri, August 1, 2014
Increased Truck Traffic for Approximately Two Months
There will be increased truck traffic in the project area for approximately two months to off-haul the stockpiles located across from the Palace of Fine Arts and adjacent to Sports Basement. New material will subs... more 

Construction Advisory Map

Select features and icons on the map to explore areas under construction, Webcams and current construction advisories.

Interactive Map Traffic and Construction Map Historic Map
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