82-612: I-180 may refer to: Interstate 180, one of several roads: Interstate 180 (California) , a temporary designation used in 1978 for the Richmond–San Rafael Bridge in the San Francisco Bay Area in California that is now part of Interstate 580 Interstate 180 (Illinois) , a short spur in rural Putnam and Bureau counties in northern Illinois Interstate 180 (Nebraska) ,
164-566: A California earthquake forecast, which models earthquake occurrence in California. This is a partial list of earthquakes in Southern California. For a full list, see List of earthquakes in California . Note: Earthquakes with epicenters in the Los Angeles Metro Area are marked with the (#) symbol. Other earthquakes mentioned indicates shaking was felt in the region. As of the 2020 United States Census , Southern California has
246-636: A M w 6.7 earthquake or greater, such as the San Andreas Fault , which can produce M w 8.0 or greater. The largest known earthquake in California was the 1857 Fort Tejon earthquake that ruptured 200+ miles (320+ kilometers) of the San Andreas Fault from Parkfield to Wrightwood . With a recurrence interval of roughly 150 years, this part of the San Andreas fault is well within its window to produce another large earthquake. Along with
328-581: A higher population, with 23.76 million residents as of the 2020 census . The sparsely populated desert region of California occupies a significant portion (part of which has even been proposed to be split into a new county due to cultural, economic and geographic differences relative to the rest of the more urban region) of the area: the Colorado Desert , along with the Colorado River , is located on Southern California's eastern border with Arizona , and
410-651: A loop Interstate with a directional suffix and was what is now I-580 from I-5 to Oakland. However, I-5W and most of the other Interstates around the country with directional suffixes were eventually renumbered or eliminated, except for I-35E and I-35W in Texas and Minnesota, and more recently in Texas, the designations of I-69W , I-69C , and I-69E , along with proposed suffixed segments for future extensions of I-14 and I-27 . The former route of I-5W now corresponds to I-580 from I-5 to Oakland, I-80 from Oakland to Vacaville , and I-505 from Vacaville to I-5 near Dunnigan. For
492-606: A population of 23,762,904. Despite a reputation for high growth rates, Southern California's population has grown slower than the state average since the 2000s. This is due to California's growth becoming concentrated in the northern part of the state as result of a stronger, tech-oriented economy in the Bay Area and an emerging Greater Sacramento region. Southern California consists of one Combined Statistical Area , eight Metropolitan Statistical Areas , one international metropolitan area , and multiple metropolitan divisions. The region
574-466: A population of approximately 4 million, Los Angeles is the most populous city in California and the second most populous in the United States. South of Los Angeles and with a population of approximately 1.4 million is San Diego, the second most populous city in the state and the eighth most populous in the nation. The counties of Los Angeles , San Diego , Orange , Riverside , and San Bernardino are
656-563: A spur in Lincoln, Nebraska Interstate 180 (Pennsylvania) , a spur to Williamsport, Pennsylvania Interstate 180 (Wyoming) , a short, non-freeway spur in Cheyenne, Wyoming Interstate 176 to Reading, Pennsylvania, designated as Interstate 180 when I-76 was I-80S Polikarpov I-180 Japanese submarine I-180 [REDACTED] Topics referred to by the same term This disambiguation page lists articles about roads and streets with
738-754: A whole enacted the Alquist Priolo Special Studies Zone Act in the wake of the 1971 San Fernando earthquake . The act prohibits new construction of residential buildings closer than 50 feet (15 m) from a surface rupturing active fault zone. In addition, the act improved safety by requiring new structures (both residential and commercial) to be seismically retrofitted. It also required existing infrastructure to comply. Since 1972, numerous large magnitude earthquakes have struck Southern California with little widespread damage in part due to act. However, exceptions can be noted for epicenters that lie directly on top of densely populated regions such as
820-502: Is also home to a large surf and skateboard culture. Companies such as Vans , Volcom , Quiksilver , No Fear , Stüssy , RVCA , and Body Glove are all headquartered there. Skateboarder Tony Hawk ; surfers Rob Machado , Timmy Curran , Bobby Martinez , Pat O'Connell , Dane Reynolds , and Chris Ward live in Southern California. Some of the most famous surf locations are in Southern California as well, including Trestles , Rincon , The Wedge , Huntington Beach , and Malibu . Some of
902-505: Is also known for its mountain resort communities, such as Big Bear Lake , Lake Arrowhead , and Wrightwood , and their ski resorts, like Bear Mountain , Snow Summit , Snow Valley Mountain Resort , and Mountain High . The inland desert city of Palm Springs is also popular. Southern California is generally considered the area of California south of the latitude 35°45', approximately one-third of
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#1732858925528984-670: Is an important government, arts and entertainment, and retail district. Downtown San Diego is the CBD of San Diego, though the city is filled with business districts. These include Carmel Valley , Del Mar Heights , Mission Valley , Rancho Bernardo , Sorrento Mesa , and University City . Most of these districts are located in Northern San Diego and some within North County regions. Los Angeles Orange County Riverside & San Bernardino San Diego Southern California
1066-519: Is different from Wikidata All article disambiguation pages All disambiguation pages Interstate 580 (California)#Interstate 180 Interstate 580 ( I-580 ) is an approximately 76-mile-long (122 km) east–west auxiliary Interstate Highway in Northern California . The heavily traveled spur route of I-80 runs from US Route 101 (US 101) in San Rafael in
1148-410: Is home to Los Angeles International Airport , the second-busiest airport in the United States by passenger volume (see World's busiest airports by passenger traffic ) and the third-busiest by international passenger volume (see Busiest airports in the United States by international passenger traffic ); San Diego International Airport , the busiest single-runway airport in the world; Van Nuys Airport ,
1230-545: Is home to two extended metropolitan areas that exceed five million in population. These are the Greater Los Angeles Area at 17,786,419, and San Diego–Tijuana at 5,105,768. Of these metropolitan areas, the Los Angeles-Long Beach-Santa Ana metropolitan area , Riverside-San Bernardino-Ontario metropolitan area , and Oxnard-Thousand Oaks-Ventura metropolitan area form Greater Los Angeles; while
1312-680: Is instead Stockton , a vestige of when this segment used to be part of US 50 . I-580 is part of the California Freeway and Expressway System and is part of the National Highway System , a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration (FHWA). The route is eligible for the State Scenic Highway System and
1394-401: Is low to moderate depending on the area. Rain is infrequent, but is often heavy when it does occur, making flash floods an aspect of living in Southern California. This climatic pattern was alluded to in the hit song " It Never Rains (In Southern California) ". While snow is very rare in lower elevations, mountains above 5,000 feet (1,500 m) receive plentiful snowfall in the winter. Since
1476-610: Is officially designated as a scenic highway by the California Department of Transportation (Caltrans) from the San Leandro city limits to SR 24 and from I-5 to I-205, meaning that these are substantial sections of highway passing through a "memorable landscape" with no "visual intrusions", where the potential designation has gained popular favor with the community. Trucks over 4.5 short tons (4.1 t; 4.0 long tons) are prohibited through Oakland between Grand Avenue and
1558-484: Is required to carry either a FasTrak Flex or CAV (Clean Air Vehicle) transponder, with its switch set to indicate the number of the vehicle's occupants (1, 2, or 3 or more). Solo drivers may also use the FasTrak standard tag without the switch. Drivers without any FasTrak tag will be assessed a toll violation regardless of whether they qualified for free. Interstate 5W ( I-5W ) was originally conceived as part of
1640-559: Is the only freeway that crosses the Diablo Range, making it the safest route through the mountains. Prior to the construction of this route, traffic was detoured to Pacheco ( SR 152 ) and Polonio ( SR 46 ) passes. I-580 provides Interstate Highway access between San Francisco and Los Angeles since I-5 runs east of the Bay Area. However, the primary control city listed on freeway signs along eastbound I-580 between I-80 and I-205
1722-583: The El Centro metropolitan area and San Diego-Carlsbad-San Marcos metropolitan area form the Southern Border Region . North of Greater Los Angeles are the Santa Barbara , San Luis Obispo , and Bakersfield metropolitan areas. Los Angeles (with a population of approximately 3.9 million people) and San Diego (at nearly 1.4 million people) are the two largest cities in all of California, and are among
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#17328589255281804-548: The Hayward exit ramps was also reengineered at this time. Significant expansion to the segment between I-680 and I-205 began in 2006. Among the projects along this segment were the high-occupancy vehicle lanes in each direction, a westbound auxiliary lane between Fallon and Tassajara roads, a new interchange at Isabel Avenue in Livermore, the reconstruction of several interchanges, the construction of additional truck climbing lanes for
1886-585: The Lodi resident and California Highway Patrol officer killed while chasing down a DUI driver). The western terminus of I-580 is roughly 10 miles (16 km) north of San Francisco in the city of San Rafael ( Marin County ), at the junction with US 101 . The interchange with US 101 is incomplete, only allowing continuous travel from southbound US 101 to eastbound I-580 (via exit 451B) and from westbound I-580 to northbound US 101. Traffic headed
1968-745: The Los Angeles metropolitan area ( Los Angeles and Orange counties, with 13.3 million people), the Inland Empire ( Riverside and San Bernardino counties, including the Coachella Valley cities, with 4.3 million people), and the Oxnard–Thousand Oaks–Ventura metropolitan area (0.8 million people). In addition, Southern California contains the San Diego metropolitan area with 3.3 million people, Bakersfield metro area with 0.9 million, and
2050-716: The MacArthur Maze to San Rafael is the most recent to be signed as I-580, beginning in 1984. Before 1984, this segment was part of SR 17 . From the Maze to the interchange locally known as the "Hoffman Split" in Albany , just north of the Gilman Street interchange (Hoffman Boulevard was the predecessor of I-580 in this section), I-580 follows the Eastshore Freeway , a wrong-way concurrency with I-80 for its entirety: northward on
2132-687: The Mojave Desert shares a border with Nevada to the northeast. Southern California's southern border with Baja California is part of the Mexico–United States border . Southern California encompasses eight metropolitan areas (MSAs), three of which together form the Greater Los Angeles Combined Statistical Area (CSA) with over 18 million people, the second-biggest CSA after the New York CSA . These three MSAs are
2214-734: The Newport–Inglewood-Rose Canyon Fault (located adjacent to SoFi Stadium and responsible for Signal Hill ), the Elsinore Fault (created Lake Elsinore ), the Garlock Fault (which marks boundary between of the Sierra Nevada and the Mojave Desert ), and the Hollywood fault (which is within feet of Capitol Records and is roughly parallel to Hollywood Boulevard ). The United States Geological Survey (USGS) has released
2296-740: The San Diego metropolitan area as they do with the Inland Empire . To the east, the United States Census Bureau considers the San Bernardino and Riverside County areas, Riverside-San Bernardino area as a separate metropolitan area from Los Angeles County. Newly developed exurbs formed in the Antelope Valley , north of Los Angeles, the Victor Valley , and the Coachella Valley with the Imperial Valley . Also, population growth
2378-483: The San Fernando Valley . The area of Santa Monica and Venice (and perhaps some of Culver City) is informally referred to as "Silicon Beach" because of the concentration of financial and marketing technology-centric firms located in the region. The San Bernardino-Riverside Area maintains the business districts of Downtown San Bernardino , Hospitality Business/Financial Centre , University District which are in
2460-696: The San Francisco Bay Area to I-5 at a point outside the southern city limits of Tracy in the Central Valley . I-580 forms a concurrency with I-80 between Albany and Oakland , the latter of which is the location of the MacArthur Maze interchange immediately east of the San Francisco–Oakland Bay Bridge . I-580 provides a connection from the Bay Area to the southern San Joaquin Valley and Southern California via I-5, as I-5 bypasses
2542-611: The San Joaquin Valley near the city of Patterson . In the 1990s, the freeway segment from Castro Valley through Pleasanton was enlarged and otherwise reengineered in conjunction with the construction of the Blue Line of the Bay Area Rapid Transit (BART). The BART tracks were placed in a new median between the westbound and eastbound lanes of I-580 as was the new Dublin/Pleasanton station . The interchange with I-238 and
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2624-475: The Santa Barbara , San Luis Obispo , and El Centro (Imperial County) metropolitan areas. The Southern California Megaregion (or megalopolis ) is larger still, extending northeast into Las Vegas , Nevada and south across the Mexican border into Tijuana . Within Southern California are two major cities, Los Angeles and San Diego , as well as three of the country's largest metropolitan areas . With
2706-520: The Transverse and Peninsular Ranges with their peaks, and into the large and small interior valleys, to the vast deserts of California . Note: Plate boundary faults are indicated with a (#) symbol. Each year, Southern California has about 10,000 earthquakes. Nearly all of them are too small to be felt. Only several hundred have been greater than magnitude (M w ) 3.0, and only about 15–20 have been greater than M w 4.0. California as
2788-454: The United States ) as well as the Inland Empire (another large metropolitan area). The region generally contains ten of California's 58 counties: Los Angeles , San Diego , Orange , Riverside , San Bernardino , Kern , Ventura , Santa Barbara , San Luis Obispo , and Imperial counties. Although geographically smaller than Northern California in land area, Southern California has
2870-403: The entertainment industry . Other industries include software, automotive, aerospace, finance, biomedical, ports and regional logistics. The region was a leader in the housing bubble from 2001 to 2007, and has been heavily impacted by the housing crash. Since the 1920s, motion pictures, petroleum, and aircraft manufacturing have been major industries. In one of the richest agricultural regions in
2952-520: The "Hoffman Split". After joining I-80, I-580 runs directly south for several miles along the eastern shore of San Francisco Bay in the segment known as the Eastshore Freeway , then enters the MacArthur Maze . The segment between the Hoffman Split and the MacArthur Maze is a wrong-way concurrency , meaning I-580 east is signed as I-80 west, and vice versa. From the MacArthur Maze, I-580 is known as
3034-719: The Bay Area to the east. A portion of I-580 is called the MacArthur Freeway , after General Douglas MacArthur . Other portions are named the John T. Knox Freeway (after a former speaker pro tempore of the California State Assembly ), the Eastshore Freeway (after its location on San Francisco Bay ), the Arthur H. Breed Jr. Freeway (after a former California State assemblyperson and senator—the stretch itself lying between
3116-627: The Eastshore is signed I-80 east and I-580 west; headed southward, one finds signs indicating I-80 west and I-580 east. At the Hoffman Split, I-580 leaves the Eastshore Freeway in a northwesterly direction through the cities of Albany and Richmond . It then crosses San Francisco Bay over the Richmond–San Rafael Bridge . The freeway in this section, officially named the John T. Knox Freeway,
3198-689: The General as "MacArthur Boulevard" which, for the most part, still parallels the MacArthur Freeway. The renaming occurred on March 26, 1942, by a resolution of the Oakland City Council . The freeway was opened to traffic in eight segments until its completion in May 1966 (last segment, connecting with SR 238 (now I-238 ), in Castro Valley, opened May 20, 1966). The segment of I-580 running from
3280-446: The HOT lanes' hours of operation is weekdays between 5:00 am and 8:00 pm. Solo drivers are tolled using a congestion pricing system based on the real-time levels of traffic. Carpools, motorcycles, and clean air vehicles are not charged. All tolls are collected using an open road tolling system, and therefore there are no toll booths to receive cash. Each vehicle using the HOT lanes
3362-532: The Los Angeles Area are the major business districts of Downtown Pasadena , Downtown Burbank , Downtown Santa Monica , Downtown Glendale and Downtown Long Beach . Los Angeles proper has many business districts, such as Downtown LA and those lining Wilshire Boulevard , including Mid-Wilshire , the Miracle Mile , Downtown Beverly Hills , and Westwood ; others include Century City and Warner Center in
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3444-399: The M w 6.7 1994 Northridge Earthquake and, to a lesser extent, the smaller M w 5.5 2008 Chino Hills earthquake . The Northridge earthquake occurred on a blind-thrust fault directly underneath the San Fernando Valley , which until the earthquake was previously undiscovered. Seismic retrofitting of existing and new construction is aimed to prevent damage and save lives in
3526-657: The MacArthur Freeway, which runs through Oakland and San Leandro to Castro Valley . About halfway to Castro Valley from the Maze, is an interchange with the Warren Freeway ( State Route 13 ). Between this interchange and Castro Valley, I-580 runs near or along the trace of the Hayward Fault , a major branch of the San Andreas Fault . In Castro Valley, I-580 turns eastward toward Dublin Canyon before descending into Dublin and Pleasanton . After passing through Livermore ,
3608-457: The San Leandro border. Specifically, eastbound trucks cannot travel beyond Grand Avenue/Lakeshore Avenue (exit 21B), and those going westbound must get off at MacArthur Boulevard/Foothill Boulevard (exit 30). They are instead instructed to take I-238 in Castro Valley and then I-880 through Oakland as an alternative route. The California Highway Patrol may however temporarily lift
3690-451: The Southern California desert system. Because of the barrier formed by the Tehachapi and Sierra Nevada ranges, cartographer George Wheeler observed in 1876 that Northern California was better connected to Oregon and Nevada than it was to Southern California. Following the acquisition of the territory of California by the United States, several pro-slavery politicians attempted to arrange
3772-426: The U.S., cattle and citrus were major industries until farmlands were turned into suburbs. Although military spending cutbacks have had an impact, aerospace continues to be a major factor. Southern California is home to many major business districts. Central business districts (CBD) include Downtown Los Angeles , Downtown Riverside , Downtown San Bernardino , downtown San Diego , and the South Coast Metro . Within
3854-432: The aftermath of a major quake, but it cannot guarantee that buildings will be unscathed if the epicenter is relatively close by. The 1994 Northridge earthquake was particularly destructive, causing a substantial number of deaths, injuries, and structural collapses. The quake caused the most property damage of any earthquake in U.S. history at an estimated $ 20 billion. Many Southern California faults are able to produce
3936-406: The ban for short periods to reduce traffic congestion when major accidents occur on I-880 or I-238. The truck prohibition has been in effect since before the freeway was built in 1963 as part of US 50. Both the FHWA and Caltrans imposed the restriction, partly because the city of Oakland already had a truck ban through the area prior to the freeway's construction. Since then, the restriction
4018-455: The ban. He did however concede that the California State Legislature would have to eventually repeal the aforementioned rule in the California Vehicle Code for any change to occur. Tolls are collected only for westbound traffic on the Richmond–San Rafael Bridge . An open road tolling system is used on the bridge, and they can be paid by either a FasTrak transponder or license plate tolling . The high-occupancy vehicle (HOV) lane leading to
4100-413: The bridge requires a car with three or more people. High-occupancy toll (HOT) lanes along I-580 between Pleasanton and Livermore opened in February 2016. The eastbound express lanes stretch 12 miles (19 km) between Hacienda Drive and North Greenville Road. The westbound express lanes extend an additional two miles (3.2 km) west to San Ramon Road/Foothill Road. As of August 2022 ,
4182-497: The centers of their respective metropolitan areas, composed of numerous smaller cities and communities. The urban area is also host to an international San Diego–Tijuana metropolitan region, created by the urban area spilling over into Baja California . The main barrier to urbanization along the Interstate 5 corridor is Camp Pendleton . The cities and communities along Interstate 15 and Interstate 215 are so interrelated that Temecula and Murrieta have as much connection with
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#17328589255284264-405: The cities of Castro Valley and Dublin ), the William Elton "Brownie" Brown Freeway (after a Tracy resident instrumental in determining the route of I-5 through the San Joaquin Valley ), the Sgt. Daniel Sakai Memorial Highway (after the Castro Valley resident and Oakland SWAT officer killed in the 2009 shootings of Oakland police officers ), and the John P. Miller Memorial Highway (after
4346-400: The cities of San Bernardino and Riverside. In Orange County, has highly developed suburban business centers (also known as edge cities ) including the Anaheim–Santa Ana edge city along I-5; and another, the South Coast Plaza–John Wayne Airport edge city that stretches from the South Coast Metro to the Irvine Business Complex ; Newport Center ; and Irvine Spectrum . Downtown Santa Ana
4428-534: The city streets which were part of US 50 between Castro Valley and the large interchange along the eastern approach to the San Francisco–Oakland Bay Bridge in Oakland now called the MacArthur Maze . The freeway was named in honor of World War II General Douglas MacArthur . Prior to the construction of this freeway, the various city streets of Oakland that were designated for US 50 (principally 38th Street, Hopkins Street, Moss Avenue, Excelsior Avenue, and part of Foothill Boulevard) had been renamed for
4510-413: The division of Alta California at 36 degrees, 30 minutes, the line of the Missouri Compromise . Instead, the passing of the Compromise of 1850 enabled California to be admitted to the Union as a free state , preventing the southern half of California from becoming its own separate slave state . Subsequently, Californians (dissatisfied with inequitable taxes and land laws) and pro-slavery Southerners in
4592-403: The eastward ascent to the Altamont Pass, and plans to preserve the right-of-way to accommodate a future BART extension in the median of the freeway. In 2017, citing lack of interest from the Bay Area Rapid Transit District in bringing BART service east to Livermore, the Livermore City Council proposed a newly established local entity to undertake planning and construction of the extension, which
4674-474: The existing SR 180 is renumbered, which is unlikely due to its familiarity as the road to Kings Canyon National Park , there will not be an I-180 in California. Southern California Southern California (commonly shortened to SoCal ) is a geographic and cultural region that generally comprises the southern portion of the U.S. state of California . It includes the Los Angeles metropolitan area (the second most populous urban agglomeration in
4756-429: The first decade of the 21st century, droughts and wildfires have increased in frequency as a result of climate change . Southern California consists of one of the more varied collections of geologic, topographic, and natural ecosystem landscapes in a diversity outnumbering other major regions in the state and country. The region spans from Pacific Ocean islands , shorelines , beaches, and coastal plains , through
4838-633: The five most populous in the state, and are among the top 15 most populous counties in the United States. The motion picture , television and music industry are centered in the Los Angeles area in Southern California. Hollywood , a district of Los Angeles, gives its name to the American motion picture industry, which is synonymous with the neighborhood name. Headquartered in Southern California are The Walt Disney Company (which owns ABC ), Sony Pictures , Universal Pictures , MGM , Paramount Pictures , and Warner Bros . Universal, Warner Bros., and Sony also run major record companies. Southern California
4920-805: The former generally gets more traffic than the latter. For decades, the trucking industry lobbied to have the ban removed but was unsuccessful due to local opposition. In 2000, the California State Legislature passed Assembly Bill 500, adding the I-580 truck restriction into the California Vehicle Code. A collaborative study by the Environmental Defense Fund , Google , and the University of Texas at Austin used Google Street View cars equipped with air quality monitors to measure pollution data through Oakland. It found that along I-880, concentrations of black carbon were 80 percent higher, concentrations of nitrogen dioxide were 60 percent higher, and concentrations of nitric oxide were at least double than those along I-580. This has led community leaders to revisit
5002-440: The freeway enters the Altamont Pass . The road emerges in the Central Valley west of Tracy , where, after I-205 splits near Altamont Raceway Park , it turns southeastward and terminates by merging with I-5 south of Tracy just shy of the Stanislaus County line. I-580 through Altamont Pass is a major crossing of the Diablo Range , linking the Central Valley to the Bay Area, and also a major route to Southern California. I-580
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#17328589255285084-444: The lightly populated "cow counties" of Southern California attempted three times in the 1850s to achieve a separate statehood or territorial status separate from Northern California . The last attempt, the Pico Act of 1859, was passed by the California State Legislature and signed by State Governor John B. Weller . It was approved overwhelmingly by nearly 75 percent of voters to form the proposed Territory of Colorado . This territory
5166-435: The more urban region) that have been left undeveloped. It is the third most populated megalopolis in the United States, after the Great Lakes megalopolis and the Northeast megalopolis . Much of Southern California is famous for its large, spread-out, suburban communities and use of automobiles and highways. The dominant areas are Los Angeles, Orange County , San Diego , and Riverside – San Bernardino , each of which are
5248-414: The most part, the I-580 freeway in this segment was constructed over or alongside the right-of-way of US 50 , previously part of the old Lincoln Highway , during the course of the late 1960s and early 1970s. The segment which begins at the split with I-205 was constructed during the same period of time over a new right-of-way to a junction with I-5, running through some low hills on the west side of
5330-438: The other two directions is encouraged to use Sir Francis Drake Blvd . Heading eastward through the light industrial portion of eastern San Rafael, I-580 provides access to San Quentin State Prison at the eastern tip of land before joining the Richmond–San Rafael Bridge to cross San Francisco Bay . I-580 enters the city of Richmond in Contra Costa County midspan, then continues through Richmond to join I-80 in Albany at
5412-674: The same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. [REDACTED] Topics referred to by the same term This disambiguation page lists articles associated with the same title formed as a letter–number combination. If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=I-180&oldid=1212222157 " Categories : Road disambiguation pages Letter–number combination disambiguation pages Interstate 80 Hidden categories: Short description
5494-422: The sole county to vote for the GOP, with Orange County having been Democrat since 2012. Southern California is one of the largest economies in the United States. It is dominated by, and heavily dependent upon, the abundance of petroleum, as opposed to other regions where automobiles are not nearly as dominant, due to the vast majority of transport that runs on this fuel. Southern California is famous for tourism and
5576-406: The southern section of the San Andreas (in the Palm Springs region, which has not ruptured in ~400 years), the entire Southern California portion of the San Andreas Fault is ready to produce a powerful earthquake in the near future. Notable faults capable of large magnitude events include the San Jacinto Fault (a splay of the San Andreas that runs directly under the I-10 & I-215 interchange),
5658-400: The state, formed by the northern boundaries of San Luis Obispo , Kern , and San Bernardino counties, which are not exactly a straight line. Another definition for Southern California uses Point Conception and the Tehachapi Mountains as the northern geographical barriers, especially when defining California's bioregions . In this definition, Owens Valley and Death Valley are part of
5740-417: The top eight largest cities in the United States. In Southern California, there are also 14 cities with more than 200,000 residents and 48 cities over 100,000 residents. Many of Southern California's most developed cities lie along or in close proximity to the coast, with the exception of San Bernardino and Riverside. Southern California has drifted left since 2004, and is solidly Democrat. Kern County remains
5822-420: The truck ban, particularly because I-880 runs along minority communities while I-580 runs through middle and upper middle class neighborhoods. Once a proponent of the ban when he served on the Oakland City Council in the 1990s, Alameda County Supervisor Nate Miley held a December 2021 virtual town hall on the issue, and asked both Caltrans and the Bay Area Air Quality Management District to conduct studies on
5904-429: The world's busiest general aviation airport; major commercial airports at San Bernardino , Orange County , Bakersfield , Ontario , Burbank , and Long Beach ; and numerous smaller commercial and general aviation airports. Six of the seven lines of the commuter rail system, Metrolink , run out of Downtown Los Angeles, connecting Los Angeles, Ventura , San Bernardino, Riverside, Orange, and San Diego counties with
5986-435: The world's largest action sports events, including the X Games , Boost Mobile Pro , and the U.S. Open of Surfing , are held in Southern California. The region is also important to the world of yachting with premier events including the annual Transpacific Yacht Race , or Transpac , from Los Angeles to Hawaii. San Diego Yacht Club hosted the three America's Cup races from 1988 to 1995. The first modern-era triathlon
6068-573: Was grandfathered in when the freeway was both renumbered and added to the Interstate Highway System . As a result, it is the only segment of Interstate Highway in California that is not part of the National Truck Network (several other California state highways have similar truck bans such as SR 2 and SR 85 , but not any other Interstates). With trucks normally rerouted onto I-880 instead of I-580 through Oakland,
6150-576: Was a temporary designation used in 1978 for the Richmond–San Rafael Bridge , now part of I-580. At the time, the bridge had been identified as part of SR 17 but was marked for inclusion in the Interstate Highway System. Briefly the bridge used the number 180, despite the Fresno -area SR 180 's use of the number. The California Streets and Highways Code has a policy against using one route number for multiple noncontiguous highways. Unless
6232-665: Was also recommended by the California State Assembly Transportation Committee. Assembly Bill 758 was signed by then- Governor of California Jerry Brown on October 13, 2017, formally establishing the Tri-Valley–San Joaquin Valley Regional Rail Authority to construct and maintain the alternative Valley Link commuter rail. The I-580 freeway in this segment was constructed starting in February 1960, adjacent to
6314-475: Was constructed from 1987 to 1991. It replaced a number of city streets which comprised the earlier highway leading to the San Rafael Bridge, principally, Hoffman and Cutting boulevards. After crossing the bridge, I-580 runs west to San Rafael , ending at an interchange with US 101 . This freeway segment supplanted an earlier boulevard constructed as part of SR 17. Interstate 180 ( I-180 )
6396-455: Was grouped with other counties of the San Joaquin Valley , California's central agricultural valley. Southern California consists of a heavily developed urban environment, home to some of the largest urban areas in the state, along with the Deserts of California (part of which was even proposed to become a new county due to cultural, economic and geographic differences relative to the rest of
6478-646: Was held in San Diego's Mission Bay in 1974. Since then, Southern California, and San Diego in particular, have become a mecca for triathlon and multi-sport racing, products, and culture. Southern California has multiple sports franchises and networks, such as Fox Sports Net . Many of these locals and tourists frequent the Southern California coast for its beaches. Some of Southern California's most popular beaches are Malibu , Laguna Beach , La Jolla , Manhattan Beach , and Hermosa Beach . Southern California
6560-536: Was high in the Bakersfield-Kern County , Santa Maria , and San Luis Obispo areas. Most of Southern California has a Mediterranean -like climate, with warm and dry summers, mild and wet winters, where cool weather and freezing temperatures are rare. Southern California contains other types of climates, including semi-arid , desert and mountain , with infrequent rain and many sunny days. Summers are hot or warm, and dry, while winters are mild, and rainfall
6642-689: Was the name of a proposed new state which failed to get on the 2018 California ballot. The ballot measure proposed splitting the existing state into three parts. In December 2020, during the COVID-19 pandemic , the state government led by Governor Gavin Newsom divided the state into five regions for the purpose of issuing stay-at-home orders. The Southern California region consisted of the following counties: Imperial , Inyo , Los Angeles , Mono , Orange , Riverside , San Bernardino , San Diego , San Luis Obispo , Santa Barbara , and Ventura . However, Kern County
6724-756: Was to include a portion of the much larger Tulare County and all of San Luis Obispo County . The proposal was sent to Washington, D.C. , with a strong advocate in Senator Milton Latham . However, the secession crisis following the election of Abraham Lincoln in 1860 and the subsequent American Civil War led to the proposal never coming to a vote. In 1900, the Los Angeles Times defined Southern California as including "the seven counties of Los Angeles, San Bernardino, Orange, Riverside, San Diego, Ventura, and Santa Barbara." This definition left out San Luis Obispo and Kern counties. Southern California
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