State Route 1 (SR 1) is a major north–south state highway that runs along most of the Pacific coastline of the U.S. state of California. At a total of just over 659 miles (1,061 km), it is the longest state route in California. SR 1 has several portions designated as either Pacific Coast Highway (PCH), Cabrillo Highway, Shoreline Highway, or Coast Highway. Its southern terminus is at Interstate 5 (I-5) near Dana Point in Orange County and its northern terminus is at U.S. Route 101 (US 101) near Leggett in Mendocino County. SR 1 also at times runs concurrently with US 101, most notably through a 54-mile (87 km) stretch in Ventura and Santa Barbara counties, and across the Golden Gate Bridge.
State Route 91 is a major east–west freeway located entirely within Southern California and serving several regions of the Greater Los Angeles urban area. Specifically, it currently runs from Vermont Avenue in Gardena, just west of the junction with the Harbor Freeway, east to Riverside at the junction with the Pomona, and Moreno Valley freeways.
State Route 57 (SR 57), also known as the Orange Freeway for most of its length, is a north–south state highway in the Greater Los Angeles Area of California. It connects the interchange of Interstate 5 (I-5) and SR 22 near downtown Orange, locally known as the Orange Crush, to the Glendora Curve interchange with I-210 and SR 210 in Glendora. The highway provides a route across several spurs of the Peninsular Ranges, linking the Los Angeles Basin with the Pomona Valley and San Gabriel Valley.
The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Freeway, called the El Toro Y, in Irvine, signed as I-5. From there, it generally goes southeast to northwest to the East Los Angeles Interchange, where it takes the designation of U.S. Route 101 (US 101). It then proceeds 2.95 miles (4.75 km) northwest to the Four Level Interchange in downtown Los Angeles. Formerly, the entirety of the route was marked as US 101 until the 1964 highway renumbering, which truncated US 101 to the East Los Angeles Interchange and designated the rest of the freeway as I-5.
The Ventura Freeway is a freeway in southern California, United States, running 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, which was built in the late 1950s and opened on April 5, 1960. East of the Hollywood Freeway intersection, it is signed as State Route 134 which was built by 1971. The entire Ventura Freeway is not built to freeway standards, however; the segment that runs through the coastal communities of La Conchita and Mussel Shoals in western Ventura County still remains an expressway.
State Route 60 is an east-west state highway in the U.S. state of California. It runs from the East Los Angeles Interchange near downtown Los Angeles to an interchange with Interstate 10 (I-10) in Beaumont. The highway serves the cities and communities on the eastern side of the Los Angeles metropolitan area and runs along the south side of the San Gabriel Valley. The highway provides a route across several spurs of the Peninsular Ranges, linking the Los Angeles Basin with the Pomona Valley and San Gabriel Valley. It runs from the East Los Angeles Interchange near the Los Angeles River in Los Angeles with Interstate 5 (I-5), Interstate 10 (I-10) and U.S. Route 101 east to I-10 in Riverside County, with overlaps at State Route 57 and Interstate 215. The highway runs roughly parallel to Interstate 10, functioning as a bypass alternate route east-west route through the area.
State Route 2 is a state highway in the U.S. state of California. Officially, it begins at the intersection of Centinela Avenue in the City of Los Angeles limits adjacent to the city of Santa Monica and extends all the way to SR 138 east of Wrightwood. The highway currently is divided into three segments, briefly runs concurrent with U.S. Route 101 and Interstate 210 (I-210) to connect the segments. The western section of the highway is an old routing of U.S. Route 66; the eastern portion is known as the Angeles Crest Highway, while the middle section is known as the Glendale Freeway along with multiple surface streets around Route 101.
State Route 72 is a state highway in the U.S. state of California. The route runs along Whittier Boulevard from I-605 in Whittier to SR-39 in La Habra. SR 72 forms part of El Camino Real.
State Route 9 is a mainly rural and mountainous route in the U.S. state of California that travels 35 miles (56 km) from SR 1 in Santa Cruz to SR 17 in Los Gatos, passing through the San Lorenzo Valley and the Saratoga Gap. Daily traffic is between 3,200 and 34,500 cars.
Colorado Boulevard is a major east–west street in Southern California. It runs from Griffith Park in Los Angeles east through Glendale, the Eagle Rock section of Los Angeles, Pasadena, and Arcadia, ending in Monrovia. The full route was once various state highways but is now locally maintained in favor of the parallel Ventura Freeway (CA-134) and Foothill Freeway (I-210).
State Route 39 is a state highway in the U.S. state of California that travels through Orange and Los Angeles counties. Its southern terminus is at Pacific Coast Highway, in Huntington Beach. SR 39's northern terminus is at Islip Saddle on Angeles Crest Highway in the Angeles National Forest, but its northernmost 4.5-mile (7.2 km) segment has been closed to the public since 1978 due to a massive mud and rockslide. A portion of SR 39 from Stanton Avenue in Buena Park to Interstate 5 is now under the city of Buena Park's control, as Caltrans relinquished that portion in 2013. Since 2001, a portion of SR 39 that runs through the city of Stanton is being considered to be relinquished to the city. If so, the portion that runs through the city of Anaheim will still be state controlled.
State Route 19, also known as Lakewood Boulevard and Rosemead Boulevard, is a state highway in the Los Angeles area of the U.S. state of California. The route is a north–south four-to-six lane suburban roadway, lying between the Long Beach Freeway (I-710) and San Gabriel River Freeway (I-605), and connecting the eastern parts of Long Beach and Pasadena via the Whittier Narrows. Since 1998, several pieces have been relinquished to local governments, and more transfers are authorized by state law. The portion of SR 19 north of the Whittier Narrows is officially State Route 164, once planned to be upgraded as the Rio Hondo Freeway, but has always been signed as part of SR 19.
State Route 90 is a state highway in Southern California, United States. It consists of two unconnected pieces in Greater Los Angeles.
State Route 42 is a decommissioned state highway in southern region of the U.S. state of California, running along Manchester Avenue, Manchester Boulevard and Firestone Boulevard in Los Angeles and the cities south of it. After 1968, it ran from State Route 1 west of Inglewood east to Interstate 5 in Norwalk. Though signed as SR 42, it was officially Route 105 until replaced by the parallel Interstate 105 October 14, 1993. The entire route was deleted from the California Freeway and Expressway System in 2000, with the remaining portion of SR 42 being relinquished to local jurisdictions in that year, but the route is still signed off as SR 42.
Interstate 10 (I-10), a major east–west Interstate Highway, runs in the U.S. state of California east from Santa Monica, on the Pacific Ocean, through Los Angeles and San Bernardino to the border with Arizona. In the Greater Los Angeles area, it is known as the Santa Monica Freeway and the San Bernardino Freeway, linked by a short concurrency on Interstate 5 at the East Los Angeles Interchange.
U.S. Route 66 is a part of a former United States Numbered Highway in the state of California that ran from the west in Santa Monica on the Pacific Ocean through Los Angeles and San Bernardino to Needles at the Arizona state line. It was truncated during the 1964 renumbering and its signage removed in 1974. The highway is now mostly replaced with several streets in Los Angeles, State Route 2 (SR 2), State Route 110 (SR 110), State Route 66 (SR 66), San Bernardino County Route 66 (CR 66), Interstate 15 (I-15), and I-40 (I-40).
State Route 26 (SR 26) was a state highway in Los Angeles and Orange counties in the U.S. state of California, from 1937 to 1964. It traveled from U.S. Route 101 Alternate in Santa Monica to SR 39 in Buena Park.
U.S. Route 99 (US 99) was the main north–south United States Numbered Highway on the West Coast of the United States until 1964, running from Calexico, California, on the Mexican border to Blaine, Washington, on the Canadian border. Known also as the "Golden State Highway" and "The Main Street of California", US 99 was an important route in California throughout much of the 1930s as a route for Dust Bowl immigrant farm workers to traverse the state. It was assigned in 1926 and existed until it was replaced for the most part by Interstate 5 (I-5). A large section in the Central Valley is now State Route 99 (SR 99).
