Tiburon Boulevard

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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 Streets and Highways Code § 431
Maintained by Caltrans
Length: 4.317 mi[1] (6.948 km)
Major junctions
West end: US 101 in Strawberry
East end: Main Street in Tiburon
Counties: Marin
Highway system
SR 130 SR 132

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.

Route description[edit]

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.[2][3]

Major intersections[edit]

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Marin County.

Location Postmile
Destinations Notes
Strawberry 0.00 East Blithedale Avenue Continuation beyond US 101
0.00 US 101 (Redwood Highway) – Eureka, San Francisco Interchange; west end of SR 131
Tiburon 1.86 Trestle Glen Boulevard – Paradise Beach Park, Romberg Tiburon Center, SFSU
4.39 Main Street East end of SR 131
4.39 Paradise Drive Continuation beyond Main Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ a b c California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015. 
  2. ^ Prado, Mark (2009-07-04). "Tiburon Boulevard work to start Monday". Marin Independent Journal. Retrieved 2010-06-21. 
  3. ^ "Freeways Never Built, or Unbuilt after 1989 quake". FoundSF. Retrieved 2010-06-21. 
  4. ^ California Department of Transportation, Log of Bridges on State Highways, July 2007
  5. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2006

External links[edit]

Route map: Google

KML is from Wikidata