Claremont Tunnel Claremont Tunnel Alameda 1608 Oakland East
Claremont Water Tunnel Claremont Water Tunnel Contra Costa 1145 Briones Valley
Alameda Diversion Tunnel Alameda Diversion Tunnel Alameda 1867 Calaveras Reservoir
Caldecott Tunnel Caldecott Tunnel Alameda 1391 Oakland East
Blue Cut Blue Cut Placer 2425 Colfax
Brown Adit Brown Adit Tuolumne 889 Chinese Camp
Cape Horn Tunnel Cape Horn Tunnel Stanislaus 328 Knights Ferry
Clara Tunnel Clara Tunnel Placer 4216 Westville
Clark Tunnel Clark Tunnel Placer 863 Rocklin
Coal Mine Tunnels Coal Mine Tunnels Contra Costa 479 Antioch South
Electra Tunnel Electra Tunnel Amador 2402 West Point
Hacienda Tunnel Hacienda Tunnel Santa Clara 554 Santa Teresa Hills
Jackknife Tunnel Jackknife Tunnel Mendocino 1394 McGuire Ridge
Kelly Ridge Kelly Ridge Butte 1132 Oroville Dam
Lafayette Water Tunnel Lafayette Water Tunnel Contra Costa 696 Briones Valley
Massa Tunnel Massa Tunnel Amador 1316 Jackson
Miners Ranch Tunnel Miners Ranch Tunnel Butte 1680 Oroville Dam
Osborne Tunnel Osborne Tunnel Placer 4744 Westville
Pardee Tunnel Pardee Tunnel Calaveras 764 Valley Springs
Pine Mountain Tunnel Pine Mountain Tunnel Marin 1375 Bolinas
Posey Tube Posey Tube Alameda 0 Oakland West
Rapid Transit Tunnel Rapid Transit Tunnel Alameda 1056 Oakland East
San Leandro Tunnel San Leandro Tunnel Alameda 968 Oakland East
Pilarcitos Tunnel Pilarcitos Tunnel San Mateo 1152 Montara Mountain
Rapid Transit Trans-Bay Tube Rapid Transit Trans-Bay Tube San Francisco 0 Oakland West
Spring Garden Tunnel Spring Garden Tunnel Plumas 4285 Spring Garden
Stanislaus Tunnel Stanislaus Tunnel Tuolumne 3474 Stanislaus
Sunset Tunnel Sunset Tunnel San Francisco 535 San Francisco North
Twin Peaks Tunnel Twin Peaks Tunnel San Francisco 492 San Francisco South
Walnut Creek Tunnel Walnut Creek Tunnel Contra Costa 676 Walnut Creek
West Point Tunnel West Point Tunnel Amador 2959 West Point
Newhall Tunnel Newhall Tunnel Los Angeles 1788 Oat Mountain
Burro Schmidts Tunnel Burro Schmidts Tunnel Kern 4058 Garlock
Coachella Tunnels Coachella Tunnels Riverside 2018 Seven Palms Valley
Colorado River Tunnel Colorado River Tunnel San Bernardino 3579 Cerbat
Copper Basin Tunnel Copper Basin Tunnel San Bernardino 1381 Gene Wash
Cottonwood Tunnel Cottonwood Tunnel Riverside 2037 Cottonwood Basin
Coxcomb Tunnel Coxcomb Tunnel Riverside 2070 Coxcomb Mountains
East Eagle Mountain Tunnel East Eagle Mountain Tunnel Riverside 1526 Victory Pass
Elizabeth Tunnel Elizabeth Tunnel Los Angeles 3599 Lake Hughes
Hayfield Tunnel Number One Hayfield Tunnel Number One Riverside 1877 Hayfield
Hayfield Tunnel Number Two Hayfield Tunnel Number Two Riverside 2274 Hayfield
Iron Mountain Tunnel Iron Mountain Tunnel San Bernardino 2139 Iron Mountains
Mecca Pass Tunnels Mecca Pass Tunnels Riverside 1762 Cottonwood Basin
Oat Hills Tunnel Oat Hills Tunnel San Diego 1542 Valley Center
Pacific Tunnel Pacific Tunnel Los Angeles 1893 Oat Mountain
Red Mountain Tunnel Red Mountain Tunnel San Diego 1135 Valley Center
Santa Barbara Water Tunnel Santa Barbara Water Tunnel Santa Barbara 2802 Santa Barbara
Santa Susana Tunnel Santa Susana Tunnel Ventura 1680 Simi Valley East
South Portal South Portal Santa Barbara 1217 Santa Barbara
South Portal Elizabeth Tunnel South Portal Elizabeth Tunnel Los Angeles 2972 Lake Hughes
Val Verde Tunnel Val Verde Tunnel Riverside 1657 Steele Peak
West Eagle Mountain Tunnel West Eagle Mountain Tunnel Riverside 2093 Hayfield Spring
Whipple Mountain Adit Whipple Mountain Adit San Bernardino 1073 Whipple Wash
Whipple Mountain Tunnel Whipple Mountain Tunnel San Bernardino 1109 Whipple Wash
Tunnel Number One Tunnel Number One Mono 7290 Toms Place
Tunnel Number Two Tunnel Number Two Mono 6352 Casa Diablo Mountain
Castaic Tunnel Number One Castaic Tunnel Number One Los Angeles 1519 Warm Springs Mountain
Tunnel Number One Tunnel Number One Kern 3648 Pastoria Creek
Tunnel Number Two Tunnel Number Two Kern 3081 Pastoria Creek
Tunnel Number Three Tunnel Number Three Kern 3727 Pastoria Creek
Butt Valley Tunnel Butt Valley Tunnel Plumas 4692 Almanor
Chilcoot Tunnel Chilcoot Tunnel Plumas 5223 Beckwourth Pass
Clear Creek Tunnel Clear Creek Tunnel Nevada 5600 Graniteville
Colgate Tunnel Colgate Tunnel Yuba 2749 French Corral
Cresta Tunnel Cresta Tunnel Butte 2096 Pulga
Dutch Flat Tunnel Dutch Flat Tunnel Placer 3924 Dutch Flat
Eureka Tunnel Eureka Tunnel Plumas 5449 Johnsville
Forbestown Tunnel Forbestown Tunnel Butte 2552 Forbestown
Mammoth Tunnel Mammoth Tunnel Plumas 6060 Johnsville
Milton-Bowman Tunnel Milton-Bowman Tunnel Nevada 6742 English Mountain
Mono Craters Tunnel Mono Craters Tunnel Mono 8071 June Lake
Poe Tunnel Poe Tunnel Butte 2260 Pulga
Donnell Tunnel Donnell Tunnel Tuolumne 5905 Donnell Lake
Tule Lake Tunnel Tule Lake Tunnel Siskiyou 4311 Hatfield
Tunnel Twenty Three Tunnel Twenty Three Plumas 2552 Caribou
Tunnel Twenty Four Tunnel Twenty Four Plumas 2543 Caribou
Tunnel Twenty Five Tunnel Twenty Five Plumas 2690 Caribou
Tunnel Number Ten Tunnel Number Ten Butte 1381 Pulga
Tunnel Number Eleven Tunnel Number Eleven Butte 1430 Pulga
Tunnel Number Thirteen Tunnel Number Thirteen Butte 1611 Pulga
Tunnel Number Seven Tunnel Number Seven Butte 1375 Berry Creek
Tunnel Number Nine Tunnel Number Nine Butte 1355 Pulga
Union Tunnel Union Tunnel Placer 5131 Duncan Peak
Ward Tunnel Ward Tunnel Fresno 7251 Mount Givens
Wawona Tunnel Wawona Tunnel Mariposa 4944 El Capitan
Zion Hill Tunnel Zion Hill Tunnel Nevada 5371 Blue Canyon
Angeles Tunnel Angeles Tunnel Los Angeles 2959 Liebre Mountain
Aqueduct Tunnel Aqueduct Tunnel Los Angeles 2953 Green Valley
Cajalco Tunnel Cajalco Tunnel Riverside 1437 Lake Mathews
Carley V Porter Tunnel Carley V Porter Tunnel Kern 3881 La Liebre Ranch
Doulton Tunnel Doulton Tunnel Santa Barbara 3186 Carpinteria
Lilac Tunnel Lilac Tunnel San Diego 1240 Pala
North Portal North Portal Santa Barbara 1926 Carpinteria
North Portal North Portal Santa Barbara 1296 Little Pine Mountain
South Portal South Portal Santa Barbara 1972 Carpinteria
South Portal Number Four South Portal Number Four Kern 3166 La Liebre Ranch
Tecolote Tunnel Tecolote Tunnel Santa Barbara 2402 Lake Cachuma
Tunnel Number Two Tunnel Number Two Santa Barbara 2224 Carpinteria
Bowman Tunnel Bowman Tunnel Nevada 5997 Graniteville
Clear Creek Tunnel Clear Creek Tunnel Trinity 2510 Lewiston
Pulgas Tunnel Pulgas Tunnel San Mateo 659 Woodside
Panther Portal Panther Portal Amador 4491 Garnet Hill
Stockton Street Tunnel Stockton Street Tunnel San Francisco 177 San Francisco North
Robert Levy Tunnel Robert Levy Tunnel San Francisco 299 San Francisco North
Randolph Collier Tunnel Randolph Collier Tunnel Del Norte 1923 Broken Rib Mountain
Mud Tunnel Mud Tunnel Trinity 3684 Rush Creek Lakes
Tunnel Number 26 Tunnel Number 26 Plumas 3215 Crescent Mills
Tunnel Number 27 Tunnel Number 27 Plumas 3350 Crescent Mills
Tunnel Number 28 Tunnel Number 28 Plumas 3268 Crescent Mills
Tunnel Number 29 Tunnel Number 29 Plumas 3228 Crescent Mills
Tunnel Number 30 Tunnel Number 30 Plumas 3409 Crescent Mills
Tunnel Number 31 Tunnel Number 31 Plumas 3350 Crescent Mills
Tunnel Number 32 Tunnel Number 32 Plumas 3438 Crescent Mills
Tunnel Number 33 Tunnel Number 33 Plumas 3688 Crescent Mills
Cape Horn Tunnel Cape Horn Tunnel San Diego 879 El Cajon Mountain
Lankesheim Tunnel (historical) Lankesheim Tunnel (historical) San Diego 755 El Cajon
Los Coches Tunnel (historical) Los Coches Tunnel (historical) San Diego 968 El Cajon
Monte Tunnel (historical) Monte Tunnel (historical) San Diego 768 El Cajon
Tunnel Number 26 Tunnel Number 26 Plumas 2890 Twain
Grizzly Dome Tunnel Grizzly Dome Tunnel Plumas 1624 Soapstone Hill
Tunnel 17 Tunnel 17 Plumas 2326 Storrie
Balch Tunnel Balch Tunnel Fresno 4508 Patterson Mountain
Haas Tunnel Haas Tunnel Fresno 6699 Patterson Mountain
Tunnel Number 1 Tunnel Number 1 Santa Clara 1585 Los Gatos
Tunnel Number 2 Tunnel Number 2 Santa Cruz 1444 Laurel
Webster Street Tube Webster Street Tube Alameda 0 Oakland West
Camptonville Tunnel Camptonville Tunnel Yuba 2674 Camptonville
Lohman Ridge Tunnel Lohman Ridge Tunnel Yuba 3340 Camptonville