State Route 131
Click here for a key to the symbols used. An explanation of acronyms may be found at the bottom of the page.
From Route 101 to Tiburon.
Post 1964 Signage History
This definition remains unchanged from 1963. This is via Tiburon Blvd.
Pre 1964 Signage History
This route was LRN 52, defined in 1919. It was not a signed route before
Route 131 was not defined as part of the initial state signage of routes
in 1934. It is unclear what (if any) route was signed as Route 131 between
1934 and 1964.
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Overall statistics for Route 131:
- Total Length (1995): 4 miles
- Average Daily Traffic (1992): 7,100 to 46,000
- Mileage Classification: Rural: 0; Sm. Urban: 0; Urbanized: 4.
- Previous Federal Aid Mileage: FAU: 4 mi.
- Functional Classification: Prin. Arterial: 4 mi.
- Counties Traversed: Marin.
Pre-1964 Legislative Route
In 1933, Chapter 767 defined the route “[LRN 4] near Kingsburg to
[LRN 10] near Lemoncove” as a state highway. It was codified in 1935
in the highway code as LRN 131 with the definition:
"[LRN 4] near Kingsburg to [LRN 10] near Lemon Cove"
This is present-day Route 201 between Kingsburg and Elderwood, and Route 216 between Woodlake and Lemon Cove. The Route 245 portion between
Elderwood and Woodlake was LRN 129; the LRN 130 routing in the area is
Acronyms and Explanations:
- "LRN" refers to the Pre-1964 Legislative Route Number.
"US" refers to a US Shield signed route.
"I" refers to an Eisenhower Interstate signed route.
"Route" usually indicates a state shield signed route, but said route may be signed as US or I.
- Previous Federal Aid (pre-1992) categories:
Federal Aid Interstate (FAI); Federal Aid Primary (FAP);
Federal Aid Urban (FAU); and Federal Aid Secondary (FAS).
Current Functional Classifications (used for aid purposes):
Principal Arterial (PA); Minor Arterial (MA);
Collector (Col); Rural Minor Collector/Local Road (RMC/LR). Note that ISTEA repealed the previous Federal-Aid System, effective in 1992, and established the functional classification system for all public roads.
- Other frequently used terms: California Transportation Commission (Commission or CTC), California Department of Transportation (Department or Caltrans), Regional Improvement Program (RIP), Interregional Improvement Program (IIP), State Transportation Improvement Program (STIP), State Highway Operation and Protection Program (SHOPP), Traffic Congestion Relief Program (TCRP), Clean Air and Transportation Improvement Act of 1990 (Proposition 116), High Speed Passenger Train Bond Program (Proposition 1A), Highway Safety, Traffic Reduction, Air Quality, and Port Security Bond Act of 2006 (Proposition 1B), Corridor Mobility Improvement Account (CMIA), State Route 99 Bond Program (RTE or SR 99), Local Bridge Seismic Retrofit Account (LBSRA), Trade Corridors Improvement Fund (TCIF), Highway-Railroad Crossing Safety Account (HRCSA), State-Local Partnership Program (SLPP), Environmental Phase (PA&ED), Design Phase (PS&E), Right of Way (R/W), Fiscal Year (FY), Active Transportation Program (ATP), Trade Corridor Enhancement Program (TCEP), Local Partnership Program (LPP), Local Streets and Roads Program (LSRP), Solutions for Congested Corridors Program (SCCP).
© 1996-2020 Daniel P. Faigin.
Maintained by: Daniel P. Faigin