Interstate 15 (I-15) is a major Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Canada, passing through the states of California, Nevada, Arizona, Utah, Idaho, and Montana. The Interstate serves the cities of San Diego, San Bernardino, Las Vegas, St. George, Provo, Salt Lake City, Ogden, Pocatello, Idaho Falls, Butte, Helena, and Great Falls. It also passes close to the urban areas of Los Angeles, Orange, and Riverside counties, California. The stretches of I-15 in Idaho, Utah, and Arizona have been designated as the "Veterans Memorial Highway". The southern end is at a junction with I-8 and State Route 15 (SR 15) in San Diego, and the northern end is at a connection with Alberta Highway 4 at the Sweetgrass–Coutts Border Crossing.
Mulholland Drive is a street and road in the eastern Santa Monica Mountains of Southern California. It is named after pioneering Los Angeles civil engineer William Mulholland. The western rural portion in Los Angeles and Ventura Counties is named Mulholland Highway. The road is featured in a significant number of films, songs, and novels. David Lynch, who wrote and directed a film named after Mulholland Drive, has said that one can feel "the history of Hollywood" on it. Academy Award–winning actor Jack Nicholson has resided at Mulholland Drive for many years and still lives there today.
U.S. Route 91 or U.S. Highway 91 (US-91) is a 172.663-mile-long (277.874 km) north–south United States highway running from Brigham City, Utah, to Idaho Falls, Idaho, in the U.S. states of Idaho and Utah. Despite the "1" as the last digit in the number, US-91 is no longer a cross-country artery, as it has mostly been replaced by Interstate 15. The highway currently serves to connect the communities of the Cache Valley to I-15 and beyond. Prior to the mid-1970s, US 91 was an international commerce route from Long Beach, California, to the Canada–US border north of Sweetgrass, Montana. US 91 was routed on the main streets of most of the communities it served, including Las Vegas Boulevard in Las Vegas and State Street in Salt Lake City. From Los Angeles to Salt Lake, the route was built along the corridor of the Arrowhead Trail. A portion of the highway's former route in California is currently State Route 91.
The Las Vegas Valley is a major metropolitan area in the southern part of the U.S. state of Nevada, and the second largest in the Southwestern United States. The state's largest urban agglomeration, the Las Vegas Metropolitan Statistical Area is coextensive since 2003 with Clark County, Nevada. The Valley is largely defined by the Las Vegas Valley landform, a 600 sq mi (1,600 km2) basin area surrounded by mountains to the north, south, east and west of the metropolitan area. The Valley is home to the three largest incorporated cities in Nevada: Las Vegas, Henderson and North Las Vegas. Eleven unincorporated towns governed by the Clark County government are part of the Las Vegas Township and constitute the largest community in the state of Nevada.
State Route 2 (SR 2) is a state highway in the U.S. state of California. It connects the Los Angeles Basin with the San Gabriel Mountains and the Victor Valley in the Mojave Desert. The highway's southwestern end is at the intersection of Centinela Avenue at the Santa Monica-Los Angeles border and its northeastern end is at SR 138 east of Wrightwood. The SR 2 is divided into four segments, and it briefly runs concurrently with U.S. Route 101 (US 101) and Interstate 210 (I-210). The southwestern section of SR 2 runs along a segment of the east–west Santa Monica Boulevard, an old routing of US 66, to US 101 in East Hollywood; the second section runs along segments of both the north–south Alvarado Street and Glendale Boulevard in Echo Park; the third section to I-210 in Glendale is known as the north–south Glendale Freeway; and the northeastern portion from I-210 in La Cañada Flintridge to SR 138 is designated as the Angeles Crest Highway.
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.
The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Regional Planning Commission in 1947 and construction began in the early 1950s. The plan hit opposition and funding limitations in the 1970s, and by 2004, only some 61% of the original planned network had been completed.
The Arroyo Seco, meaning "dry stream" in Spanish, is a 24.9-mile-long (40.1 km) seasonal river, canyon, watershed, and cultural area in Los Angeles County, California. The area was explored by Gaspar de Portolà who named the stream Arroyo Seco as this canyon had the least water of any he had seen. During this exploration he met the Chief Hahamog-na (Hahamonga) of the Tongva Indians.
The Arrowhead Trail or Arrowhead Highway was the first all-weather road in the Western United States that connected Los Angeles, California to Salt Lake City, Utah by way of Las Vegas, Nevada. Built primarily during the auto trails period of the 1910s, prior to the establishment of the U.S. numbered highway system, the road was replaced in 1926 by U.S. Route 91 (US 91) and subsequently Interstate 15 (I‑15). Small portions of the route in California and Las Vegas, Las Vegas Boulevard, are sometimes still referred to by the name, or as Arrow Highway.
The Mountain View Corridor is a freeway under construction in northern Utah that will run along the western periphery of Salt Lake County and south into northwest Utah County. Except for the last several miles on its southern end the Mountain View Corridor is numerically designated as State Route 85 (SR-85) in the Utah state highway system. The entire Mountain View Corridor will be maintained by the Utah Department of Transportation (UDOT).
The Midland Trail, also called the Roosevelt Midland Trail, was a national auto trail spanning the United States from Washington, D.C. west to Los Angeles, California and San Francisco, California. First road signed in 1913, it was one of the first, if not the first, marked transcontinental auto trails in America.
Foothill Boulevard is a major road in the city and county of Los Angeles, as well as an arterial road in the city and county of San Bernardino, stretching well over 60 miles (97 km) in length, with some notable breaks along the route. Like its name implies, Foothill Boulevard runs across the foothills of the San Gabriel and San Bernardino Mountains.
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), SR 110, SR 66, San Bernardino County Route 66 (CR 66), Interstate 15 (I-15), and I-40.
State Route 186 (SR-186) is a state highway entirely within Salt Lake City, capital of the U.S. state of Utah. It forms a quarter-beltway connecting US-89 and I-15 leading north from Salt Lake City to I-80 leading east; as such, it effectively forms the missing (non-freeway) quarter of the I-215 belt route around the city, though it does not directly connect to I-215 at the north end. Despite this beltway role, the route passes through downtown Salt Lake City because downtown is built right up to the northern mountains surrounding City Creek Canyon. The portion of the route connecting downtown to I-80 is a high-capacity street heavily used by commuters, especially those travelling to the University of Utah or between downtown and eastern neighborhoods, but the portion on Capitol Hill north of downtown is much narrower and has sharp turns around the Capitol grounds. The roadway runs 9.34 miles (15.03 km) along Victory Road, Columbus Street, 300 North, State Street, 400 South, 500 South, and Foothill Drive.
The Red Line is a light rail line on the TRAX system in the Salt Lake Valley of Utah operated by the Utah Transit Authority (UTA). It originally began operation in December 2001 as the peak-hour-only Sandy/University Line, running from the University of Utah south to Sandy Civic Center on the Blue Line. It was later rerouted to South Jordan and renamed the Red Line in August 2011, running as an all-day route. The current line runs from the University of Utah Medical Center in Salt Lake City through the south end of Downtown Salt Lake City, South Salt Lake, Murray, Midvale, West Jordan, and South Jordan to the University of Utah's South Jordan Medical Center in Daybreak.
Adobe Creek, historically San Antonio Creek, is a 14.2-mile-long (22.9 km) northward-flowing stream originating on Black Mountain in the Santa Cruz Mountains. It courses through the cities of Los Altos Hills, Los Altos, and Palo Alto on its way to the Palo Alto Flood Basin and thence to southwestern San Francisco Bay in Santa Clara County, California, United States. Historically, Adobe Creek was a perennial stream and hosted runs of steelhead trout entering from the Bay, but these salmonids are now blocked by numerous flood control structures, including a tidal gate at the creek's mouth and a long concretized rectangular channel culminating in an impassable drop structure at El Camino Real. The co-founders of Adobe Systems both lived on Adobe Creek.
There are 21 routes assigned to the "G" zone of the California Route Marker Program, which designates county routes in California. The "G" zone includes county highways in Monterey, San Benito, San Luis Obispo, Santa Clara, and Santa Cruz counties.
Mormon Road, also known to the 49ers as the Southern Route, of the California Trail in the Western United States, was a seasonal wagon road pioneered by a Mormon party from Salt Lake City, Utah led by Jefferson Hunt, that followed the route of Spanish explorers and the Old Spanish Trail across southwestern Utah, northwestern Arizona, southern Nevada and the Mojave Desert of California to Los Angeles in 1847. From 1855, it became a military and commercial wagon route between California and Utah, called the Los Angeles – Salt Lake Road. In later decades this route was variously called the "Old Mormon Road", the "Old Southern Road", or the "Immigrant Road" in California. In Utah, Arizona and Nevada it was known as the "California Road".
