Interstate 680 (I-680) is a north–south auxiliary Interstate Highway in Northern California. It curves around the eastern cities of the San Francisco Bay Area from San Jose to I-80 at Fairfield, bypassing cities along the eastern shore of San Francisco Bay such as Oakland and Richmond while serving others more inland such as Pleasanton and Concord.
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 the U.S. state 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.
State Route 160 is a state highway in the U.S. state of California consisting of two sections. The longer, southern, section is a scenic highway through the alluvial plain of the Sacramento River, linking SR 4 in Antioch with Sacramento via the Antioch Bridge. The northern section, separated from the southern by Sacramento city streets, is the North Sacramento Freeway, running from the 16th Street Bridge over the American River to Interstate 80 Business towards Roseville.
State Route 38 is a mostly rural and scenic state highway in the U.S. state of California, connecting Interstate 10 in Redlands with State Route 18 in the Big Bear Lake area. It is one of the primary routes into the San Bernardino Mountains. Despite the orientation of its alignment, SR 38 is assigned in a west–east direction.
The State Scenic Highway System in the U.S. state of California is a list of highways, mainly state highways, that have been designated by the California Department of Transportation (Caltrans) as scenic highways. They are marked by the state flower, a California poppy, inside either a rectangle for state-maintained highways or a pentagon for county highways.
State Route 3 is a state highway in the U.S. state of California that serves Trinity and Siskiyou counties. It runs from SR 36 north along the shore of Trinity Lake, Fort Jones and Etna. The route then approaches Yreka, intersecting with Interstate 5 (I-5), and turns east to Montague. The road was numbered SR 3 in 1964, and most of it has been part of the state highway system since 1933.
State Route 275 is an unsigned state highway connecting West Sacramento, California and Downtown Sacramento. Since 1996, the highway has been legally defined to be the length of the Tower Bridge crossing the Sacramento River. Prior to that year, SR 275 was also known as the West Sacramento Freeway, and was a short spur connecting Interstate 80 Business / U.S. Route 50 in West Sacramento, and the Tower Bridge. SR 275 also extended east into Sacramento along the Capitol Mall from the bridge to 9th Street, just west of the California State Capitol. West Sacramento completed a project to replace the freeway with a pedestrian-friendly street initially named Tower Bridge Gateway. The street was renamed Cabaldon Parkway in honor of former West Sacramento mayor Christopher Cabaldon.
State Route 261 (SR 261) is a state highway that forms part of the Eastern Transportation Corridor toll road system in Orange County, California that is operated by the Transportation Corridor Agencies. It runs from Walnut Avenue and Jamboree Road in Irvine north to SR 241. North of this interchange, SR 241 becomes part of the Eastern Transportation Corridor. SR 261 parallels Jamboree Road for its entire length. SR 261 does not directly connect with I-5 in Irvine, as Jamboree Road and other streets must be used to make the connection.
State Route 189 is a state highway in the U.S. state of California that runs through the San Bernardino Mountains in San Bernardino County. The route travels from State Route 18 near Crestline to State Route 173 in Lake Arrowhead, serving Twin Peaks and Blue Jay along its way.
State Route 142, also known as Carbon Canyon Road for most of its length, is a state highway in the U.S. state of California that connects Brea in Orange County with Chino Hills in San Bernardino County. The eastern portion of the route is known as Chino Hills Parkway.
State Route 20 is a state highway in the northern-central region of the U.S. state of California, running east–west north of Sacramento from the North Coast to the Sierra Nevada. Its west end is at SR 1 in Fort Bragg, from where it heads east past Clear Lake, Colusa, Yuba City, Marysville and Nevada City to I-80 near Emigrant Gap, where eastbound traffic can continue on other routes to Lake Tahoe or Nevada.
State Route 27, commonly known by its street name Topanga Canyon Boulevard, is a state highway in the U.S. state of California that runs from the Pacific Coast Highway at Topanga State Beach near Pacific Palisades, through the Topanga Canyon in Topanga, and continuing through Woodland Hills, Canoga Park, West Hills, and Chatsworth to the Ronald Reagan Freeway.
State Route 371 is a state highway in Riverside County, California, serving as a 20.75-mile (33.39 km) connector from SR 79 near Aguanga to SR 74 near Anza. The highway crosses through the private community of Lake Riverside, as well as Cahuilla and the Cahuilla Indian Reservation. It is the primary road running through Anza but mostly serves rural areas.
State Route 62 is a state highway in the U.S. state of California that cuts across the Little San Bernardino Mountains in Riverside and San Bernardino counties. Its western terminus is at Interstate 10 in unincorporated Riverside County outside the borders of Whitewater and Palm Springs. Its eastern terminus is at the Arizona state line just east of Parker, Arizona. The highway passes through the city of Twentynine Palms and along the northern boundary of the Joshua Tree National Park.
State Route 70 is a state highway in the U.S. state of California, connecting SR 99 north of Sacramento with U.S. Route 395 near Beckwourth Pass via the Feather River Canyon. Through the Feather River Canyon, from SR 149 to US 395, SR 70 is the Feather River Scenic Byway, a Forest Service Byway that parallels the ex-Western Pacific Railroad's Feather River Route.
State Route 149 is a short state highway in the U.S. state of California that helps to connect Oroville and Chico through rural Butte County. Connecting State Route 70 at Wicks Corner with State Route 99 east of Durham, it forms part of the primary north–south highway through the eastern Sacramento Valley, a Focus Route of the Interregional Road System.
Cache Creek is an 87-mile-long (140 km) stream in Lake, Colusa and Yolo counties, California.
U.S. Route 50 (US 50) is a transcontinental United States Numbered Highway, stretching from West Sacramento, California, in the west to Ocean City, Maryland, in the east. The California portion of US 50 runs east from Interstate 80 (I-80) in West Sacramento to the Nevada state line in South Lake Tahoe. A portion in Sacramento also has the unsigned designation of Interstate 305. The western half of the highway in California is a four-or-more-lane divided highway, mostly built to freeway standards, and known as the El Dorado Freeway outside of downtown Sacramento. US 50 continues as an undivided highway with one eastbound lane and two westbound lanes until the route reaches the canyon of the South Fork American River at Riverton. The remainder of the highway, which climbs along and out of the canyon, then over the Sierra Nevada at Echo Summit and into the Lake Tahoe Basin, is primarily a two-lane road.
Transportation in the Sacramento metropolitan area consists of a variety of modes of travel in El Dorado County, Placer County, Sacramento County, and Yolo County, which are the four counties that comprise the Sacramento metropolitan area.
SR 20 near Rumsey 
I-5 in Woodland 
US 50 in Sacramento 
SR 49 near Drytown 
