California Highways
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California Highways

Highway Statistics (Page 4)

By Counties and Districts

 
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This page looks at the highway system by routes and Caltrans districts. The following statistics are on this page:

Counties with the Fewest State Routes

  1. 3 Routes:
    [Modoc on Map] Modoc County: US 395, Route 299, and Route 139. [Yuba on Map] Yuba County: Route 20, Route 49, and Route 70

  2. 4 Routes:
    [Del Norte on Map] Del Norte County: US 101, Route 169, Route 197, and US 199. [Colusa on Map] Colusa County: I-5, Route 16, Route 20, and Route 45.
    [Glenn on Map] Glenn County: I-5, Route 32, Route 45, and Route 162. [Sierra on Map] Sierra County: Route 49, I-80, Route 89, and US 395.
    [Alpine on Map] Alpine County: Route 4, Route 88, Route 89, and Route 207. [Tuolumne on Map] Tuolumne County: Route 49, Route 108, Route 120, and Route 132.

Counties with the Most State Routes

1. [Los Angeles on Map] 42 Routes: Los Angeles County 4. [Alameda on Map] 19 Routes: Alameda County
2. [San Bernardino on Map] 27 Routes: San Bernardino County 5. [Riverside on Map] 18 Routes: Riverside County
3. [San Diego on Map] 23 Routes: San Diego County [Orange on Map] 18 Routes: Orange County

Counties with the Greatest Number of Single County Routes

1. [Los Angeles on Map] 17 Routes: Los Angeles County 2. [Alameda on Map] 8 Routes: Alameda County
[San Diego on Map] 17 Routes: San Diego County 3. [Mono on Map] 6 Routes: Mono County
2. [San Bernardino on Map] 8 Routes: San Bernardino County 3. [Kern on Map] 6 Routes: Kern County

Counties with the No Single County Routes

[Lassen on Map] Lassen County [Modoc on Map] Modoc County [Trinity on Map] Trinity County
[Colusa on Map] Colusa County [Glenn on Map] Glenn County [Yolo on Map] Yolo County
[Sierra on Map] Sierra County [San Francisco on Map] San Francisco City and County [San Benito on Map] San Benito County
[Fresno on Map] Fresno County [Kings on Map] Kings County [Merced on Map] Merced County
[Sutter on Map] Sutter County [Mariposa on Map] Mariposa County [Calaveras on Map] Calaveras County

State Routes that Traverse the Most Counties:

The following traverse the most counties, when both traversable and unconstructed milage is considered:

1. [I] I-5: 16 counties.
I-5 is the backbone of California, running from Mexico to the Oregon border. Counties traversed: San Diego, Orange, Los Angeles, Kern, Kings, San Beinto, Merced, Sanislaus, San Joaquin, Sacramento, Yolo, Colusa, Glenn, Tehama, Shasta, and Siskiyou. #2 in total length.
5. [CA] Route 99: 10 counties.
Route 99 is what is left of US 99, running from I-5 N of Los Angeles, through Bakersfield, Fresno, and Sacramento, to rejoin I-5 in northern California. Counties traversed: Kern, Tulare, Fresno, Madera, Mariposa, Stanislaus, San Joaquin, Sacramento, Sutter, and Butte. #5 in total length.
2. {US] US 101: 14 counties.
US 101 runs from downtown Los Angeles, through Ventura, Santa Barbara, San Luis Obispo, Monterey, San Jose, San Francisco, Marin, and Redwood Country. Counties traversed: Los Angeles, Ventura, Santa Barbara, San Luis Obispo, Monterey, San Benito, Santa Clara, San Mateo, San Francisco, Marin, Sonoma, Mendocino, Humboldt, Del Norte. #1 in total length.
[I] I-80: 10 counties.
I-80 runs to the Nevada border from San Francisco, through Sacramento. Counties traversed: San Francisco, Alameda, Contra Costa, Napa, Solano, Yolo, Sacramento, Placer, Nevada, and Sierra. Not in the top 10 for total length.
3. [CA] Route 1: 12 counties.
Route 1 runs from southern Orange County to US 101 near Leggett, hugging the coast most of the way. Counties traversed: Orange, Los Angeles, Ventura, Santa Barbara, San Luis Obispo, Monterey, Santa Cruz, San Mateo, San Francisco, Marin, Sonoma, and Mendocino. #3 in total length.
[CA] Route 49: 10 counties.
Route 49 runs from Route 41 near Oakhurst to Route 70 near Vinton through the Sierra gold country. Counties traversed: Madera, Mariposa, Tuolumne, Calaveras, Amador, El Dorado, Placer, Nevada, Yuba, Sierra, and Plumas. #8 in total length.
4. [CA] Route 65: 11 counties.
Route 65 was a planned freeway E of Route 99 between Bakersfield and Route 99 near Yuba City. Counties traversed: Kern, Tulare, Fresno, Madera, Mariposa, Merced, Stanislaus, San Joaquin, Sacramento, Placer, and Sutter. #7 in total length.
6. [CA] Route 33: 9 counties.
Route 33 runs from Ventura in various segments up to I-5 near Vernalis. Counties traversed: Ventura, Santa Barbara, San Luis Obispo, Kern, Kings, Fresno, Merced, Stanislaus, and San Joaquin.. #10 in total length.
5. [CA] Route 89: 10 counties.
Route 89 runs from US 395 near Coleville to I-5 near Mt. Shasta. Counties traversed: Mono, Alpine, El Dorado, Placer, Nevada, Sierra, Plumas, Tehama, Shasta, and Siskiyou. Not in the top 10 for total length.
7. {US] US 395: 7 counties.
US 395 currently runs from north of San Bernardino to the Oregon border, with a break when it passes through Nevada. Counties traversed: San Bernardino, Kern, Inyo, Mono, Sierra, Lassen, and Modoc. #4 in total length.

Caltrans Districts with the Most State Highways

1.
[District 4]
95 Highways: District 4
(Alameda, Contra Costa, Marin, Napa, Santa Clara, San Francisco, San Mateo, Solano, and Sonoma counties)
2.
[District 3]
67 Highways: District 3
(Butte, Colusa, El Dorado, Glenn, Nevada, Placer, Sacramento, Sierra, Yolo, and Yuba counties)
3.
[District 10]
62 Highways: District 10
(Alpine, Amador, Calaveras, Merced, Maraposa, San Joaquin, Stanislaus, Sutter, and Tuolumne counties)
4.
[District 6]
56 Highways: District 6
(Fresno, Kern, Kings, Madera, and Tulare counties)
5.
[District 7]
53 Highways: District 7
(Los Angeles and Ventura counties)

Caltrans Districts with the Least State Highways

1.
[District 12]
18 Highways: District 12
(Orange county)
2.
[District 9]
19 Highways: District 9
(Inyo and Mono counties)
3.
[District 1]
29 Highways: District 1
(Del Norte, Humboldt, Lake, Mendocino counties)
4.
[District 11]
31 Highways: District 11
(San Diego and Imperial counties)
5.
[District 2]
41 Highways: District 2
(Lassen, Modoc, Plumas, Shasta, Siskiyou, Tehama, and Trinity counties)


[Overall Statistics] 3 ->
Statistics 3: Oh, the Traffic!
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© 1996-2006 Daniel P. Faigin.
Maintained by: Daniel P. Faigin <webmaster@cahighways.org>.