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California State Route 131

State Route 131 marker

State Route 131
Tiburon Boulevard
Map of Marin County in western California with SR 131 highlighted in red
Route information
Defined by
Maintained by Caltrans
Length: 4.317 mi (6.948 km)
Major junctions
West end: US 101 in Strawberry
East end: Main Street in Tiburon
Location
Counties: Marin
Highway system
SR 130 SR 132

State Route 131 marker

State Route 131 (SR 131), named Tiburon Boulevard along its entire length, is a state highway in the U.S. state of California in Marin County. It is a short route that connects U.S. Route 101 with the town of Tiburon.

The route follows the northern and eastern shorelines of Richardson Bay, an inlet of San Francisco Bay north of Sausalito. Approximately the first half of the route is four-lane divided road, until it reaches the site of the old railroad trestle and Blackie's Pasture, after which it narrows to two lanes on Tiburon Peninsula heading into Tiburon.

Beyond its western terminus at U.S. 101, Tiburon Boulevard becomes East Blithedale Avenue, which leads into Mill Valley. Its eastern terminus is at the intersection with Main Street in Tiburon, after which the road becomes Paradise Drive, a winding route which loops around the eastern side of Tiburon Peninsula, eventually leading to Corte Madera.

Route 131 is part of the state highway system maintained by Caltrans because it was part of a larger plan in the 1950s to construct another bridge to San Francisco via Angel Island to complement the Golden Gate Bridge.


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Wikipedia

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