California State Route 12
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State Route 12
(legal definition) |
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| Length: | 140.64[1] mi (226.34 km) | ||||||||||||
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| Formed: | 1934[2] | ||||||||||||
| West end: |  SR 116 in Sebastopol |
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| Major junctions: |
 US 101 in Santa Rosa I-80 near Fairfield I-5 near Lodi SR 99 in Lodi |
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| East end: |  SR 49 near San Andreas |
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State Route 12 is a state highway in the U.S. state of California that travels in an east-west direction from Sebastopol in Sonoma County to State Route 49 just north of San Andreas in Calaveras County. It is constructed to freeway standards from the Fulton Road/South Wright Road stoplight in Santa Rosa, to its partial interchange with Farmers Lane (also in Santa Rosa).
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[edit] Route description
State Route 12 overlaps with Interstate 80 near Fairfield from near I-80's junction (the Cordelia Junction) with Interstate 680, to just southwest of Fairfield near the Budweiser plant. Entering Sonoma Valley it proceeds north through the Sonoma Creek watershed and exits the valley with Mount Hood dominating the skyline on the east. Further west State Route 12 crosses Santa Rosa Creek in the eastern part of the city of Santa Rosa. Just east of the Santa Rosa downtown it crosses Brush Creek and makes a ninety degree left turn at Farmers Lane. Proceeding west from Farmers Lane, State Route 12 attains a freeway status for a length of about four miles up to approximately the western city limit of the city of Santa Rosa. It has freeway interchanges with U.S. Route 101 in Santa Rosa, with I-80/I-680 (West) near Fairfield, California, with I-80 (East) near Fairfield with Interstate 5 outside of Lodi, and with California (former US) State Route 99 in Lodi, California.
[edit] Cities Served
- Sebastopol, California
- Santa Rosa, California
- Sonoma, California
- Napa, California
- Fairfield, California
- Suisun City, California
- Rio Vista, California
- Lodi, California
[edit] Future aspirations
Plans call for a western extension of its western terminus to State Route 1 near Bodega Bay, California. Plans also call for Route 12 from Farmers Lane to Melita Road, however this project will probably not be constructed due to community opposition. There would be interchanges at Yulupa Ave., Summerfield Road, Channel Drive and Sonoma Highway.
[edit] Exit list
| Postmile[1] | Municipality | #[3] | Destinations | Notes | |
|---|---|---|---|---|---|
| County | Statewide | ||||
| Approaches on surface streets from State Route 116 in Sebastopol | |||||
| Fulton Road; Wright Road | At-grade intersection; freeway begins | ||||
| SON R14.45 | 5.22 | Santa Rosa | 5 | Stony Point Road | |
| SON R15.30 | 6.07 | 6 | Dutton Avenue | ||
| SON R16.04 | 6.81 | Santa Rosa | 7A | U.S. Route 101 - San Francisco, Eureka |
Split into Exit 7A (South) and Exit 7B (North) westbound |
| SON R16.65 | 7.42 | 7B | South E Street - Downtown | Exit 7C westbound; eastbound exit and entrance accessible via Bennett Valley Rd; westbound exit and entrance accessible via Maple Ave | |
| SON R17.60 | 8.37 | Farmers Lane | Not complete, freeway ends; SR-12 currently exits eastbound to, and enters westbound from, Farmers Ln | ||
| Continues on surface streets to Fairfield | |||||
| SOL R2.79 | 50.82 | Fairfield | Interstate 80 West - San Francisco |
Westbound exit and eastbound entrance; I-80 joins eastbound and leaves westbound | |
| Concurrent with Interstate 80 | |||||
| SOL L1.80 | 54.84 | Fairfield | Interstate 80 East - Sacramento |
Eastbound exit and westbound entrance; I-80 joins westbound and leaves eastbound | |
| SOL L2.22 | 55.26 | 56 | Chadbourne Road - Fairfield Auto Mall - To Interstate 80 East - Sacramento |
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| End freeway, continues as a surface street to Suisun City | |||||
| SOL R4.47 | 57.51 | Suisun City | 58A | Fairfield - Webster Street | Eastbound exit and entrance |
| Fairfield - Jackson Street | Westbound exit and entrance | ||||
| SOL R4.57 | 57.61 | 58B | Civic Center Boulevard | Eastbound exit and entrance | |
| Main Street | Westbound exit and entrance | ||||
| Continues on towards Rio Vista | |||||
[edit] State law
Legal Definition of Route 12: California Streets and Highways Code, Chapter 2, Article 3, Section 312
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Route 12 is part of the Freeway and Expressway System, as stated by section 253.2 of the California State Highway Code. |
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Route 12 is part of the Scenic Highway System, as stated by section 263.3 of the California State Highway Code. |
[edit] Other names
- Luther Burbank Memorial Highway: From Santa Rosa to Sebastopol. Named for botanist Luther Burbank.
- Officer Rick Charles Cromwell Memorial Freeway: From Lower Sacramento Road to Route 99 at the Lodi city limits.
Source: 2004 Named Freeways, Highways, Structures and Other Appurtenances In California
[edit] References
- ^ a b January 1, 2006 California Log of Bridges on State Highways
- ^ California Highways: State Route 12
- ^ Cal-NExUS Interchange Exit Numbering
[edit] Gallery
 Kenwood Village Plaza |
 Grapes along SR-12 |
 sign off of Westbound SR-12 approaching I-80 |
