# California State Route 12

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/California_State_Route_12
> Markdown URL: https://mediated.wiki/source/California_State_Route_12.md
> Source: https://en.wikipedia.org/wiki/California_State_Route_12
> Source revision: 1307224211
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

State highway in California

State Route 12 SR 12 highlighted in red Route information Maintained by Caltrans Length 140.64 mi[1] (226.34 km) Existed 1934[2]–present Tourist routes Valley of the Moon Highway between Santa Rosa and Agua Caliente[3] Major junctions West end SR 116 in Sebastopol Major intersections US 101 in Santa Rosa SR 121 from Schellville to Napa SR 29 from Napa to east of Napa I-80 in Fairfield I-680 in Fairfield SR 160 in Rio Vista I-5 west of Lodi SR 99 in Lodi SR 88 from Lockeford to Clements SR 26 from Valley Springs to east of Valley Springs East end SR 49 in San Andreas Location Country United States State California Counties Sonoma, Napa, Solano, Sacramento, San Joaquin, Calaveras Highway system State highways in California Interstate US State Scenic History Pre‑1964 Unconstructed Deleted Freeways ← SR 11 → SR 13

**State Route 12** (**SR 12**) is a [state highway](/source/State_highway) in the [U.S. state](/source/U.S._state) of [California](/source/California) that travels in an east–west direction from [SR 116](/source/California_State_Route_116) in [Sebastopol](/source/Sebastopol%2C_California) in [Sonoma County](/source/Sonoma_County%2C_California) to [SR 49](/source/California_State_Route_49) just north of [San Andreas](/source/San_Andreas%2C_California) in [Calaveras County](/source/Calaveras_County%2C_California). The route connects the [Sonoma](/source/Sonoma_Valley) and [Napa](/source/Napa_Valley) valleys with the [Sacramento–San Joaquin River Delta](/source/Sacramento%E2%80%93San_Joaquin_River_Delta) and the [Sierra Foothills](/source/Sierra_Foothills). It is constructed to freeway standards from the Fulton Road/South Wright Road stoplight in [Santa Rosa](/source/Santa_Rosa%2C_California), to its partial interchange with Farmers Lane (also in Santa Rosa).

## Route description

SR 12 runs along Broadway in Sonoma.

SR 12/SR 113 roundabout

SR 12 runs along Kettleman Lane in Lodi.

SR 12 between Lodi and Jackson

There are six segments that are [overlaps](/source/Concurrency_(road)) with other highways: in the Napa and Sonoma valleys with SR 121, in the southern Napa Valley with SR 29, a short overlap with I-80 at Cordelia Junction in [Fairfield](/source/Fairfield%2C_California), another short overlap with SR 99 in Lodi, and overlaps with SR 88 and SR 26 in the Sierra foothills. The highway is mainly two lane rural highway, with the exception of short segments in Santa Rosa and Fairfield/Suisun City, the overlaps with I-80 and SR 99, and segments within developed areas, such as Santa Rosa and Lodi.[4][5]

SR 12 begins in the west at its junction with SR 116 in [Sebastopol](/source/Sebastopol%2C_California). After passing east through Santa Rosa on a mix of freeway, surface street, and expressway, it turns south into the Sonoma Valley, passing the [Jack London State Historic Park](/source/Jack_London_State_Historic_Park) at [Glen Ellen](/source/Glen_Ellen%2C_California). It winds through Sonoma on surface streets, where the historic [Vallejo Estate](/source/Vallejo_Estate) and [Sonoma Mission](/source/Mission_San_Francisco_de_Solano), both part of the [Sonoma State Historic Park](/source/Sonoma_State_Historic_Park), are.[4][5]

South of Sonoma, SR 12 turns east, joining SR 121 for nearly nine miles, then turns south briefly as it leaves SR 121 and joins the four-lane expressway SR 29 to cross the [Napa River](/source/Napa_River). Four miles after joining SR 29 it splits off towards the east on Jameson Canyon Road; this section is also the 1928 re-alignment of the [Lincoln Highway](/source/Lincoln_Highway), the first road across America. After a brief merge with Interstate 80, SR 12 branches off to the east as an expressway through Fairfield and [Suisun City](/source/Suisun_City%2C_California). East of Suisun it becomes two lanes again and crosses south of [Travis Air Force Base](/source/Travis_Air_Force_Base), through rolling fields with numerous wind turbines. Just past Braid's Bridge is the [Western Railway Museum](/source/Western_Railway_Museum). At [Rio Vista](/source/Rio_Vista%2C_California), SR 12 crosses the [Helen Madere Memorial Bridge](/source/Helen_Madere_Memorial_Bridge) over the [Sacramento River](/source/Sacramento_River), entering the [California Delta](/source/Sacramento_%E2%80%93_San_Joaquin_River_Delta).[4][5]

This stretch of the river has twice been the site of much-publicized inland excursions by humpback whales, presumably veering off course while making their annual migrations along the Pacific coast. In 1985 [Humphrey the whale](/source/Humphrey_the_whale) swam about as far as the Rio Vista Bridge. In 2007 a humpback mother and calf dubbed Delta and Dawn circled for several days just upstream of the bridge, seemingly reluctant to pass under it again after having spent the previous three or four weeks upriver near [Sacramento](/source/Sacramento%2C_California).

From the Sacramento River to the junction with Interstate 5, SR 12 crosses several of the waterways of the California Delta and the low-lying fields between them. Through [Lodi](/source/Lodi%2C_California) it becomes a wide four-lane business route. After another brief merger with another freeway, this time SR 99, SR 12 heads east into the Sierra foothills (with shared segments with SR 88 and SR 26) before ending at the junction with SR 49 just north of [San Andreas](/source/San_Andreas%2C_California).[4][5]

SR 12 is part of the [California Freeway and Expressway System](/source/California_Freeway_and_Expressway_System),[6] and in Sebastopol, from US 101 to Sonoma, and from I-80 to SR 88 is part of the [National Highway System](/source/National_Highway_System_(United_States)),[7] a network of highways that are considered essential to the country's economy, defense, and mobility by the [Federal Highway Administration](/source/Federal_Highway_Administration).[8] SR 12 is eligible to be included in the [State Scenic Highway System](/source/State_Scenic_Highway_System_(California));[9] however, it is only designated as a scenic highway from its intersection with Danielli Avenue east of [Santa Rosa](/source/Santa_Rosa%2C_California) to its junction with London Way near [Agua Caliente](/source/Agua_Caliente%2C_Sonoma_County%2C_California),[10] meaning that it is a substantial section of highway passing through a "memorable landscape" with no "visual intrusions", where the potential designation has gained popular favor with the community.[11]

SR 12 has been designated by various state laws and through local usage as the **Valley of the Moon Scenic Route** (the portion running through Sonoma County, though the first sign with this name is at the intersection of Farmers Lane and Fourth Street in Santa Rosa);[12] **Luther Burbank Memorial Highway** from Santa Rosa to Sebastopol (after botanist [Luther Burbank](/source/Luther_Burbank)).[13] SR 12 is also known as **Sonoma Highway** between Santa Rosa and the west side of the city of [Sonoma](/source/Sonoma%2C_California); **Broadway** between [Sonoma Plaza](/source/Sonoma_Plaza) and its junction with [SR 121](/source/California_State_Route_121) in [Schellville](/source/Schellville%2C_California); **Carneros Highway** for the length of its [concurrency](/source/Concurrency_(road)) with 121 between Schellville and its junction and the north end of its concurrency with [SR 29](/source/California_State_Route_29) near [Napa](/source/Napa%2C_California);[14] **Jameson Canyon Road** from where its concurrency with SR 29 ends in [American Canyon](/source/American_Canyon%2C_California) to its junction with [I-80](/source/Interstate_80_in_California) in [Cordelia](/source/Fairfield%2C_California); and **Rio Vista Highway** from I-80 to [SR 160](/source/California_State_Route_160) east of [Rio Vista](/source/Rio_Vista%2C_California),[15][16] and informally as "Blood Alley" from [Lodi](/source/Lodi%2C_California) to [Fairfield](/source/Fairfield%2C_California).[17] The segment through Lodi to the overlap with SR 99 is on Kettleman Lane.[4]

## History

Before the 1964 renumbering, this route was signed as Sign Route 12 for most of its length. However, SR 12 was designated as Legislative Route 51 (LR 51) from SR 116 to SR 121 before the 1964 renumbering. Portions of the route from SR 29 to I-80 ran concurrently with [State Route 29](/source/California_State_Route_29) and [State Route 37](/source/California_State_Route_37); this was also LR 8 and a former routing of [US 40](/source/U.S._Route_40_in_California). The portion from I-80 to then-[US 99](/source/U.S._Route_99_in_California) was designated as LR 53 in 1919; from US 99 to SR 49, it was designated as LR 24.[18]

In 1976, the discontinuity resulting from the concurrency with [State Route 84](/source/California_State_Route_84) was removed.[18]

In January 1996, photographer [Charles O'Rear](/source/Charles_O'Rear) pulled off the highway east of [Schellville](/source/Schellville%2C_California) near the [Napa](/source/Napa_County%2C_California)–[Sonoma](/source/Sonoma_County%2C_California) county line to photograph the lush hillside by the road. The image became known as *[Bliss](/source/Bliss_(image))* and was used as the default [computer wallpaper](/source/Computer_wallpaper) of [Microsoft](/source/Microsoft)'s [Windows XP](/source/Windows_XP) operating system.[19]

## Future extension

Plans call for a western extension of its western terminus to [SR 1](/source/California_State_Route_1) near [Bodega Bay](/source/Bodega_Bay%2C_California).[20] Plans also called for Route 12 to be built as a freeway from Farmers Lane to Melita Road, in Santa Rosa; however, as of 2014, this project was delayed due to community opposition.[21]

## Major intersections

Except where prefixed with a letter, [postmiles](/source/California_postmile) were measured on the road as it was in [1964](/source/1964_state_highway_renumbering_(California)), 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 to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see [California postmile § Official postmile definitions](/source/California_postmile#Official_postmile_definitions)).[22] Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

County Location Postmile [22][1][23] Exit [24] Destinations Notes Sonoma SON 9.12-41.36 Sebastopol 9.12 Bodega Avenue – Bodega Bay Continuation beyond SR 116 9.12 SR 116 (Petaluma Avenue, Main Street) – San Francisco, Jenner West end of SR 12 Santa Rosa R12.94 Fulton Road, Wright Road ​ West end of freeway R14.45 5 Stony Point Road R15.30 6 Dutton Avenue R16.04 7A US 101 – San Francisco, Eureka Signed as exits 7A (south) and 7B (north) westbound; US 101 exit 488B R16.63 7B South E Street – Downtown Santa Rosa Signed as exit 7C westbound ​ East end of freeway T17.53 Farmers Lane Schellville 41.36 7.44[N 1] SR 121 south (Fremont Drive) – Petaluma, San Francisco West end of SR 121 overlap Napa NAP 0.00-3.31 Napa R4.47[N 1] R8.66[N 2] SR 29 north / SR 121 north – Napa, Calistoga East end of SR 121 overlap; west end of SR 29 overlap ​ R6.20[N 2] SR 221 north (Napa-Vallejo Highway) – Napa, Lake Berryessa Southern terminus of SR 221; double roundabout interchange; Soscol Ferry Road not accessible westbound ​ 4.71[N 2] 0.00 SR 29 south / Airport Boulevard – Vallejo, Napa County Airport East end of SR 29 overlap Solano SOL 0.00-26.41 Fairfield 2.43 Red Top Road to I-80 west – San Francisco Eastbound exit only[25] R2.79 R11.98[N 3] I-80 west – San Francisco West end of I-80 overlap; westbound exit and eastbound entrance; I-80 west exit 39B; no entrance from I-80 east West end of freeway on I-80 12.74[N 3] 40 Green Valley Road Westbound exit is part of exit 41 12.84[N 3] 40 I-680 south – Benicia, Martinez, San Jose Northern terminus of I-680; former SR 21 south; I-680 north exits 71A-B 13.49[N 3] 41 Suisun Valley Road, Pittman Road 15.82[N 3] L1.80 I-80 east – Sacramento East end of I-80 overlap; eastbound exit and westbound entrance; I-80 west exit 43 L2.22 56 Chadbourne Road to I-80 east – Fairfield Auto Mall, Sacramento ​ East end of freeway Suisun City R4.47 58A Webster Street, Jackson Street – Fairfield Interchange R4.57 58B Main Street – Suisun City Business District Interchange ​ 19.17 SR 113 north / Birds Landing Road – Dixon, Birds Landing, Collinsville Roundabout; southern terminus of SR 113 Rio Vista 26.28 SR 84 north / Front Street – Rio Vista, Ryer Island Interchange; southern terminus of SR 84 northern segment Solano–Sacramento county line Rio Vista city limit Rio Vista Bridge over the Sacramento River Sacramento SAC 0.00-6.20 ​ 0.57 SR 160 (River Road) – Isleton, Sacramento, Antioch San Joaquin SJ 0.00-27.64 ​ 10.17 I-5 – Sacramento, Stockton, Los Angeles Interchange; I-5 exit 485 ​ 10.30 CR J8 (Thornton Road) Lodi 15.16 CR J10 (Lower Sacramento Road) – Woodbridge 16.93 CR J3 (Hutchins Street) Northern terminus of CR J3 17.95 SR 99 Bus. (Cherokee Lane) – Central District Former US 50 / US 99 18.07 29.50[N 4] SR 99 south / Kettleman Lane – Fresno, Los Angeles Interchange; west end of SR 99 overlap; SR 99 exit 264B West end of freeway on SR 99 30.97[N 4] 18.08 East end of freeway on SR 99 SR 99 north / Victor Road – Sacramento, Central Lodi Interchange; east end of SR 99 overlap; SR 99 exit 266 Lockeford L23.29 L12.24[N 5] SR 88 west / Victor Road – Stockton West end of SR 88 overlap 13.60[N 5] CR J5 (Jack Tone Road) West end of CR J5 overlap 14.08[N 5] CR J5 (Elliott Road) / Tully Road East end of CR J5 overlap Clements 19.17[N 5] 23.17 SR 88 east – Ione, Jackson, Lake Tahoe East end of SR 88 overlap Calaveras CAL 0.00-18.20 Valley Springs 9.93 SR 26 west / Laurel Street – Linden, Campo Seco, Pardee Reservoir, Lake Amador West end of SR 26 overlap ​ 13.87 SR 26 east / Toyon Circle – Mokelumne Hill East end of SR 26 overlap ​ 18.20 SR 49 – Mokelumne Hill, San Andreas East end of SR 12 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

1. ^ [***a***](#cite_ref-SR_121_25-0) [***b***](#cite_ref-SR_121_25-1) Indicates that the postmile represents the distance along [SR 121](/source/California_State_Route_121) rather than SR 12.

1. ^ [***a***](#cite_ref-SR_29_26-0) [***b***](#cite_ref-SR_29_26-1) [***c***](#cite_ref-SR_29_26-2) Indicates that the postmile represents the distance along [SR 29](/source/California_State_Route_29) rather than SR 12.

1. ^ [***a***](#cite_ref-I-80_28-0) [***b***](#cite_ref-I-80_28-1) [***c***](#cite_ref-I-80_28-2) [***d***](#cite_ref-I-80_28-3) [***e***](#cite_ref-I-80_28-4) Indicates that the postmile represents the distance along [I-80](/source/Interstate_80_in_California) rather than SR 12.

1. ^ [***a***](#cite_ref-SR_99_29-0) [***b***](#cite_ref-SR_99_29-1) Indicates that the postmile represents the distance along [SR 99](/source/California_State_Route_99) rather than SR 12.

1. ^ [***a***](#cite_ref-SR_88_30-0) [***b***](#cite_ref-SR_88_30-1) [***c***](#cite_ref-SR_88_30-2) [***d***](#cite_ref-SR_88_30-3) Indicates that the postmile represents the distance along [SR 88](/source/California_State_Route_88) rather than SR 12.

## See also

- [California Roads portal](https://en.wikipedia.org/wiki/Portal:California_Roads)

- [San Francisco Bay Area portal](https://en.wikipedia.org/wiki/Portal:San_Francisco_Bay_Area)

## References

1. ^ [***a***](#cite_ref-bridgelog_1-0) [***b***](#cite_ref-bridgelog_1-1) California Department of Transportation (July 2007). ["Log of Bridges on State Highways"](https://web.archive.org/web/20120701125434/http://www.dot.ca.gov/hq/structur/strmaint/brlog2.htm). Sacramento: California Department of Transportation.

1. **[^](#cite_ref-cah_12_2-0)** ["California Highways: State Route 12"](http://www.cahighways.org/009-016.html#012). Cahighways.org. Retrieved November 28, 2011.

1. **[^](#cite_ref-3)** California Department of Transportation (August 2019). ["Officially Designated State Scenic Highways and Historic Parkways"](https://dot.ca.gov/-/media/dot-media/programs/design/documents/desig-and-eligible-aug2019_a11y.xlsx) (XLSX). Sacramento: California Department of Transportation. Retrieved March 27, 2019.

1. ^ [***a***](#cite_ref-Gold_4-0) [***b***](#cite_ref-Gold_4-1) [***c***](#cite_ref-Gold_4-2) [***d***](#cite_ref-Gold_4-3) [***e***](#cite_ref-Gold_4-4) California State Automobile Association map Gold Country, 7-05 edition

1. ^ [***a***](#cite_ref-SF_5-0) [***b***](#cite_ref-SF_5-1) [***c***](#cite_ref-SF_5-2) [***d***](#cite_ref-SF_5-3) California State Automobile Association map San Francisco Bay, 1-09 edition

1. **[^](#cite_ref-cafes_6-0)** ["Article 2 of Chapter 2 of Division 1"](https://leginfo.legislature.ca.gov/faces/codes_displayText.xhtml?lawCode=SHC&division=1.&title=&part=&chapter=2.&article=2.). *California Streets and Highways Code*. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.

1. **[^](#cite_ref-fhwa-nhs_7-0)** Federal Highway Administration (March 25, 2015). [*National Highway System: California (North)*](https://www.fhwa.dot.gov/planning/national_highway_system/nhs_maps/california/ca_californianorth.pdf) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved October 20, 2017.

1. **[^](#cite_ref-NHS-FHWA_8-0)** Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). ["What is the National Highway System?"](https://www.fhwa.dot.gov/planning/national_highway_system/). *National Highway System*. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.

1. **[^](#cite_ref-scenic_9-0)** ["Article 2.5 of Chapter 2 of Division 1"](https://leginfo.legislature.ca.gov/faces/codes_displayText.xhtml?lawCode=SHC&division=1.&title=&part=&chapter=2.&article=2.5.). *California Streets & Highways Code*. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.

1. **[^](#cite_ref-caltransscenic_10-0)** California Department of Transportation (August 2019). ["Officially Designated State Scenic Highways and Historic Parkways"](https://dot.ca.gov/-/media/dot-media/programs/design/documents/desig-and-eligible-aug2019_a11y.xlsx) (XLSX). Sacramento: California Department of Transportation. Retrieved October 20, 2017.

1. **[^](#cite_ref-11)** California Department of Transportation (2012). [*Scenic Highway Guidelines*](https://dot.ca.gov/-/media/dot-media/programs/design/documents/scenic-hwy-guidelines-04-12-2012.pdf) (PDF). Sacramento: California Department of Transportation. p. 5. Retrieved June 8, 2017.

1. **[^](#cite_ref-12)** ["California Highways: Routes 009-016 to Individual Page Detour"](http://cahighways.org/009-016.html#012). [Archived](https://web.archive.org/web/20160709225634/http://www.cahighways.org/009-016.html) from the original on July 9, 2016. Retrieved March 21, 2006.

1. **[^](#cite_ref-13)** [*2007 Named Freeways, Highways, Structures and Other Appurtenances in California*](https://web.archive.org/web/20080830060909/http://www.dot.ca.gov/hq/tsip/hseb/products/Named_Freeways.pdf) (PDF). [Caltrans](/source/Caltrans). pp. 122–123. Archived from [the original](http://www.dot.ca.gov/hq/tsip/hseb/products/Named_Freeways.pdf) (PDF) on August 30, 2008. Retrieved March 28, 2007.

1. **[^](#cite_ref-14)** ["California Highways: Routes 121-128 to Individual Page Detour"](http://cahighways.org/121-128.html). [Archived](https://web.archive.org/web/20160522134643/http://www.cahighways.org/121-128.html) from the original on May 22, 2016. Retrieved September 28, 2012.

1. **[^](#cite_ref-15)** [California Highway Patrol: CADWEB](http://cad.chp.ca.gov/sa_list.asp?centerin=GGCCstyle=l)[*[dead link](https://en.wikipedia.org/wiki/Wikipedia:Link_rot)*] Name from CHP traffic reports. Archived on Google cache on September 24, 2007. Accessed on 2007-10-01.

1. **[^](#cite_ref-16)** ["map of Route 12 showing Rio Vista Highway name from I-80 to SR 160"](https://maps.google.com/maps?f=q&hl=en&geocode=&q=%22Rio+Vista+Hwy%22&sll=38.18356,-121.79881&sspn=0.181078,0.32135&ie=UTF8&ll=38.224156,-121.882324&spn=0.361953,0.6427&z=11&om=1) (Map). *[Google Maps](/source/Google_Maps)*. Retrieved October 1, 2007.

1. **[^](#cite_ref-17)** [*Deaths on Highway 12*](http://www.recordnet.com/apps/pbcs.dll/section?Category=A_SPECIAL45). San Joaquin Record All Eyes on Blood Alley. Recordnet.com. Accessed on May 12, 2008.

1. ^ [***a***](#cite_ref-cah_18-0) [***b***](#cite_ref-cah_18-1) ["California Highways (www.cahighways.org): Routes 9 through 16"](http://www.cahighways.org/009-016.html#012). www.cahighways.org. Retrieved November 28, 2011.

1. **[^](#cite_ref-NY_Daily_News_story_19-0)** Taylor, Victoria (April 12, 2014). ["The story behind the famous Windows XP 'Bliss' wallpaper"](http://www.nydailynews.com/life-style/bliss-photog-shares-story-famous-windows-xp-image-article-1.1754436). *[New York Daily News](/source/New_York_Daily_News)*. Retrieved April 12, 2014.

1. **[^](#cite_ref-pressdemo_20-0)** [Democrat: County OKs bypass around Forestville](http://www.pressdemocrat.com/apps/pbcs.dll/article?AID=/20061108/NEWS/611080361/1033/NEWS01,Press) [Archived](https://web.archive.org/web/20120307174558/http://www.pressdemocrat.com/apps/pbcs.dll/article?AID=%2F20061108%2FNEWS%2F611080361%2F1033%2FNEWS01%2CPress) March 7, 2012, at the [Wayback Machine](/source/Wayback_Machine), accessed June 15, 2010

1. **[^](#cite_ref-21)** Brown, Matt (August 21, 2014). ["Southeast Greenway boosters cheer decision on highway extension"](https://www.pressdemocrat.com/news/2557171-181/park-supporters-cheer-as-state). *Santa Rosa Press Democrat*. Retrieved March 12, 2020.

1. ^ [***a***](#cite_ref-trucklist_22-0) [***b***](#cite_ref-trucklist_22-1) California Department of Transportation. ["State Truck Route List"](https://web.archive.org/web/20150905083346/http://www.dot.ca.gov/hq/traffops/trucks/truckmap/truck-route-list.xlsx). Sacramento: California Department of Transportation. Archived from [the original](http://www.dot.ca.gov/hq/traffops/trucks/truckmap/truck-route-list.xlsx) ([XLS file](/source/Microsoft_Excel#File_formats)) on September 5, 2015. Retrieved June 30, 2015.

1. **[^](#cite_ref-23)** [California Department of Transportation](/source/California_Department_of_Transportation), [All Traffic Volumes on CSHS](https://traffic-counts.dot.ca.gov/), 2005 and 2006

1. **[^](#cite_ref-24)** [California Department of Transportation](/source/California_Department_of_Transportation), [California Numbered Exit Uniform System](/source/California_Numbered_Exit_Uniform_System), [State Route 12 Freeway Interchanges](https://web.archive.org/web/20160820222120/http://www.dot.ca.gov/trafficops/exit/docs/12.pdf), [Interstate 80 Freeway Interchanges](https://web.archive.org/web/20160716055750/http://www.dot.ca.gov/trafficops/exit/docs/80.pdf), Retrieved on February 5, 2009.

1. **[^](#cite_ref-27)** ["NB Red Top Road at State Route 12 to permanently close"](https://dot.ca.gov/caltrans-near-me/district-4/d4-news/2021-05-05-nb-red-top-road-at-state-route-12-to-permanently-close). *Caltrans*. May 5, 2021. Retrieved December 9, 2024.

## External links

**[KML file](https://en.wikipedia.org/w/index.php?title=Template:Attached_KML/California_State_Route_12&action=raw)** ([edit](https://en.wikipedia.org/w/index.php?title=Template:Attached_KML/California_State_Route_12&action=edit) · [help](https://en.wikipedia.org/wiki/Help:Attached_KML))

[Template:Attached KML/California State Route 12](https://en.wikipedia.org/wiki/Template:Attached_KML/California_State_Route_12)

KML is from Wikidata

- [Caltrans: State Route 12 highway conditions](https://roads.dot.ca.gov/)

- [Caltrans Traffic Conditions Map](https://quickmap.dot.ca.gov/)

- [California Highway Patrol Traffic Incidents](https://cad.chp.ca.gov/)

- [California @ AARoads.com – State Route 12](https://web.archive.org/web/20160328084341/http://www.aaroads.com/california/ca-012.html)

- [California Highways: Route 12](https://web.archive.org/web/20160709225634/http://www.cahighways.org/009-016.html#012)

Wikimedia Commons has media related to [California State Route 12](https://commons.wikimedia.org/wiki/Category:California_State_Route_12).

---
Adapted from the Wikipedia article [California State Route 12](https://en.wikipedia.org/wiki/California_State_Route_12) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/California_State_Route_12?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.