U.S. Route 6 in California

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U.S. Route 6 marker

U.S. Route 6
Route information
Defined by Streets and Highways Code § 306
Maintained by Caltrans
Length: 40.51 mi[2] (65.19 km)
Existed: 1936[1] – present
Major junctions
South end: US 395 in Bishop
  SR 120 in Benton
North end: US 6 at Nevada state line
Highway system
I-5 SR 7
Although this recent sign states that US 6 is travelling east, it was still declared a north–south route by Caltrans.[3]

U.S. Route 6, or US 6, is a transcontinental highway from the U.S. state of California to Massachusetts. In California, the highway lies in the eastern portion of the state from Bishop in the Owens Valley north to the Nevada state line in Esmeralda County. Prior to a 1964 Highway renumbering project US 6 extended to the Pacific Ocean in Long Beach, California, as part of the historic auto trail named the Grand Army of the Republic Highway.[4]

Route description[edit]

This route is part of the California Freeway and Expressway System[5] and is legally eligible for the State Scenic Highway System.[6] However, it is not an official scenic highway as designated by Caltrans.[7]

Starting in Inyo County, US 6 begins its route at Bishop at a junction with US 395 near the Bishop Paiute-Shoshone Indian Colony. After leaving Inyo County and entering Mono County, the highway proceeds due north to the town of Benton, and makes a junction with SR 120. The highway then begins ascending the lower foothills of the White Mountains, towards Montgomery Pass in Nevada. The highway reaches the state line before cresting the pass. While still in California, the highway passes Boundary Peak, the highest point in Nevada.[8]


Historic Route 6 sign near the southern terminus of Sierra Hwy.

The California portion of US 6 was originally commissioned in 1937 as an extension of the highway from Greeley, Colorado as part of the historic Grand Army of the Republic Highway auto trail.[9]

Grand Army of the Republic Highway[edit]

US 6 was later extended further south through the Mojave Desert and Los Angeles to Long Beach in Southern California.[4] It traveled along with what is now US 395, SR 14 (Sierra Highway), I-5, I-110 / SR 110, and SR 1. When the Four Level Interchange was constructed, US 6 was the original number for SR 110 at this interchange.

It formerly ran from Long Beach west to San Pedro and continued north on Figueroa Street, briefly concurrent with US 66 in Los Angeles before turning northwest and co-signing with US 99 on San Fernando Road. US 66 continued north on the Pasadena Freeway before also being decommissioned in 1964, leading to the Harbor and Pasadena freeways being redesignated to SR 11, which ran from Gaffey Street in San Pedro to Colorado Boulevard in Pasadena. In 1981, the Harbor Freeway between Gaffey Street and Interstate 10 became Interstate 110, replacing the SR 11 designation. The northern segment of SR 11 continuing to Glenarm Street became SR 110, which continues briefly as the Harbor Freeway before becoming the Pasadena Freeway north of the Four Level Interchange with US 101.


In 1964, all of the route of US 6 in California south of Bishop lost official status with its US 6 signs removed. The highway was truncated to Bishop as part of a 1964 highway renumbering project.[10]

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).[2] 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
Destinations Notes
INY R0.00-8.35
Bishop R0.00 US 395 – Los Angeles, Reno South end of US 6; former US 6 south
MNO 0.00-32.29
Benton 25.72 SR 120 – Lee Vining, Yosemite National Park
27.30 Agricultural Inspection Station (southbound only)
32.29 US 6 – Tonopah Continuation into Nevada
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]


  1. ^ Daniel P. Faigin. "California Highways Routes 1 through 8". Retrieved 2007-12-19. 
  2. ^ 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. 
  3. ^ Caltrans - Route and Direction, accessed December 2007
  4. ^ a b Michael Ballard. "Virtual Tour of old US 6". Retrieved 2013-02-20. 
  5. ^ "CA Codes (shc:250-257)". Leginfo.ca.gov. Retrieved 2013-01-26. 
  6. ^ "CA Codes (shc:260-284)". Leginfo.ca.gov. Retrieved 2013-01-26. 
  7. ^ California Department of Transportation, Officially Designated Scenic Highways, accessed 2009-09-14
  8. ^ Nevada Road and Recreation Atlas (Map) (2003 ed.). 1:250000. Benchmark Maps. 2003. p. 70. § B2. ISBN 0-929591-81-X. 
  9. ^ Richard F. Weingroff. "U.S. 6- The Grand Army of the Republic Highway". United States Department of Transportation - Federal Highway Administration. Retrieved 2007-12-19. 
  10. ^ Dale Sanderson. "End of US highway 6". Archived from the original on 2008-02-06. Retrieved 2007-12-19. 
  11. ^ California Department of Transportation, Log of Bridges on State Highways, July 2007
  12. ^ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006

External links[edit]

Route map: Bing / Google

KML is from Wikidata

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