The northbound High Viaduct will be aesthetically identical to its southbound counterpart, which now carries traffic.
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Work on all of the Presidio Parkway's tunnels is occuring simultaneously.
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Landscape architect Michael Painter is the Presidio Parkway Project's visionary.
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Travelers can expect closures down the line to allow for traffic shifts onto the new roadway.
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Map courtesy of Presidio Parkway Project.
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Crews are now well into Phase II of the Presidio Parkway Project, which began in late 2009 and will convert Doyle Drive into a lush parkway that will serve as the San Francisco approach to the Golden Gate Bridge by late 2016. The 1.6-mile segment of Route 101 extends from Broderick Street to the Golden Gate Bridge toll plaza.