The Ventura Freeway is a freeway in southern California, United States, that runs from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east–west route through Ventura County and in the southern San Fernando Valley in Los Angeles County. From the Santa Barbara County line to its intersection with the Hollywood Freeway in the southeastern San Fernando Valley in Los Angeles, it is signed as U.S. Route 101 (US 101), which was built in the late 1950s and opened on April 5, 1960. The segments from the Santa Barbara County line to Sea Cliff, and from Solimar Beach to Oxnard, are also concurrent with State Route 1 (SR 1), although no signs mention SR 1 there. East of the Hollywood Freeway intersection, the Ventura Freeway is signed as State Route 134 (SR 134), which was built by 1971.
State Route 58 is a major east-west state highway in the U.S. state of California that runs across the Coast Ranges, the southern San Joaquin Valley, the Tehachapi Mountains, which border the southern Sierra Nevada, and the Mojave Desert. It runs between U.S. Route 101 near Santa Margarita and Interstate 15 in Barstow. It has junctions with Interstate 5 near Buttonwillow, State Route 99 in Bakersfield, State Route 202 in Tehachapi, State Route 14 near Mojave, and U.S. Route 395 at Kramer Junction. SR 58 also provides access to Edwards Air Force Base. At various points it is known as the Calf Canyon Highway, Carrisa Highway, Bakersfield-McKittrick Highway, Rosa Parks Highway, Westside Parkway, Barstow-Bakersfield Highway, Bakersfield Tehachapi Highway, Kern County Korean War Veterans Memorial Highway, and Mojave-Barstow Highway.
State Route 144 is a state highway in the U.S. state of California that runs through the Sycamore Canyon in Santa Barbara. It travels along Sycamore Canyon Road from its intersection with Alameda Padre Serra at the Five Points Roundabout to Stanwood Drive.
State Route 126 is a state highway in the U.S. state of California that serves Ventura and Los Angeles counties. The route runs from U.S. Route 101 in Ventura to Interstate 5 at the Castaic Junction-Santa Clarita border through the Santa Clara River Valley. The highway is an important connector highway in Ventura County, and serves as an alternate route into the Santa Clarita Valley, and the San Fernando Valley area of Los Angeles and the High Desert of Antelope Valley.
State Route 23 is a state highway in the U.S. state of California that connects the Pacific coast and the Santa Monica Mountains to the Conejo and Santa Clara River valleys. It runs from Pacific Coast Highway in Malibu in Los Angeles County to Ventura Street in Fillmore in Ventura County.
State Route 116 (SR 116) is a state highway in the U.S. state of California in Sonoma County. The route runs from SR 1 on the Pacific coast near Jenner to SR 121 south of Sonoma.
State Route 154 is a state highway in the U.S. state of California that runs from Los Olivos to Santa Barbara, crossing the San Marcos Pass in the Santa Ynez Mountains. Before U.S. Route 101 was built through the Gaviota Pass, SR 154 was the main throughway to Santa Barbara and the tri city area including use as a stagecoach route in early years. After being replaced by US 101 as the primary route between the Santa Ynez Valley and Santa Barbara, SR 154 now serves as a scenic bypass.
State Route 131, named Tiburon Boulevard along its entire length, is a state highway in the U.S. state of California in Marin County. It is a short route that connects U.S. Route 101 with the town of Tiburon.
U.S. Route 101 Business is a business loop of U.S. Route 101 that runs along Wildwood Avenue in Rio Dell in Humboldt County, California. Its southernmost section between US 101 near Scotia to the north end of the Eel River Bridge is legally defined as an unsigned state highway, State Route 283. The route was defined in 1970 as a transfer from a realigned US 101 after a freeway bypass was built.
State Route 33 is a north–south state highway in the U.S. state of California. It runs north from U.S. Route 101 in Ventura through the Transverse Ranges and the western side of the San Joaquin Valley to Interstate 5 at a point east of Tracy. SR 33 replaced part of U.S. Route 399 in 1964 during the "great renumbering" of routes. In the unincorporated sections of Kern County it is known as the West Side Highway. In addition, the California Legislature designated the entire Kern County portion as the Petroleum Highway in 2004. The southernmost portion in Ventura is a freeway known as the Ojai Freeway, while it is known as the Maricopa Highway from Ojai to Maricopa.
State Route 150 is a state highway in the U.S. state of California. It runs from U.S. Route 101 near the Ventura/Santa Barbara County line to State Route 126 in Santa Paula, providing a connection to Lake Casitas and Ojai. It is a two-lane road. There were some one-lane bridges near the western end of the route, but these were rebuilt as two-lane bridges after flooding in 2005.
State Route 59 is a state highway in the U.S. state of California located entirely in Merced County. It connects State Route 152 near El Nido to the city of Merced and beyond, ending abruptly at the intersection of County Routes J59 and J16 in Snelling.
State Route 232 is a state highway in the U.S. state of California that runs along Vineyard Avenue in Ventura County, serving as a connector between US 101 in Oxnard and SR 118 near Saticoy.
State Route 192 is a state highway in the U.S. state of California. The route runs from State Route 154 near Santa Barbara to State Route 150 near the Santa Barbara–Ventura county line. The two-lane road is better known as Foothill Road, as the route runs parallel to the foothills of the Santa Ynez Mountains.
State Route 166 is a state highway in the U.S. state of California. It connects the Central Coast to the southern San Joaquin Valley, running from State Route 1 in Guadalupe and through Santa Maria in Santa Barbara County to State Route 99 in Mettler in Kern County.
State Route 135 is a state highway in the U.S. state of California. It acts as a western bypass of U.S. Route 101 in northern Santa Barbara County that runs through the community of Los Alamos and the center of the city of Santa Maria.
State Route 211 is a state highway in the U.S. state of California that connects Ferndale with U.S. 101 in Humboldt County. The highway was originally designed to be the northernmost segment of State Route 1, but after construction of the Coast Highway through the Lost Coast region was abandoned, the route to Ferndale was renumbered to SR 211.
State Route 175 is a state highway in the U.S. state of California that runs through the Mayacamas Mountains, connecting U.S. Route 101 in Hopland in Mendocino County with State Route 29 in Middletown in Lake County.
State Route 200 is a state highway in the U.S. state of California near Arcata in Humboldt County. It is a cut-off connecting U.S. Route 101 and State Route 299. It runs along the north bank of the Mad River, to the north of the 101-299 junction. It is also known as North Bank Road.
State Route 255 is a state highway in the U.S. state of California. It is a loop route of U.S. Route 101 in Humboldt County that runs through the Samoa Peninsula on the western side of Humboldt Bay.
US 101 in Goleta 
