California State Route 12

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State Route 12

(legal definition)

Length:

140.64^[1] mi (226.34 km)

Formed:

1934^[2]

West end:

SR 116 in Sebastopol

Major
junctions:

US 101 in Santa Rosa

I-80 near Fairfield

I-5 near Lodi

SR 99 in Lodi

East end:

SR 49 near San Andreas

California State Highway Routes
< SR 11		SR 13 >
Unconstructed - Deleted - Freeway - Scenic

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).

1 Route description
2 Cities Served
3 Future aspirations
4 Exit list
5 State law
6 Other names
7 References
8 Gallery
9 External links

[edit] Route description

Brush Creek near the State Route 12 bridge

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

Hood Mountain, viewed from State Route 12 in a scenic highway element of Sonoma County.

[edit] Future aspirations

Route 12 between Lodi, California and Jackson, California

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	Municipality	#^[3]	Destinations	Notes
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	Santa Rosa	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
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
SOL R4.47	57.51		58A	Fairfield - Jackson Street	Westbound exit and entrance
SOL R4.57	57.61		58B	Civic Center Boulevard	Eastbound exit and entrance
SOL R4.57	57.61		58B	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

Route 12 is part of the Freeway and Expressway System, as stated by section 253.2 of the California State Highway Code.

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