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California State Route 52
State Route 52 (SR 52) is a state highway in San Diego County, California, that extends from La Jolla Parkway at Interstate 5 (I-5) in La Jolla, San Diego, to SR 67 in Santee. It is a freeway for its entire length and serves as a major east–west route through the northern part of the city of San Diego. The road connects the major north–south freeways of the county, including I-5, I-805, SR 163, I-15, SR 125, and SR 67. SR 52 passes north of the Rose Canyon Fault before traversing Marine Corps Air Station Miramar (MCAS Miramar). East of Santo Road and west of SR 125, the highway goes through Mission Trails Regional Park, a large open preserve. SR 52 is also known as the Soledad Freeway and the San Clemente Canyon Freeway. Plans for a route between La Jolla and Santee date from 1959, and SR 52 was officially designated in the 1964 state highway renumbering. Construction began in 1966 at the I-5 interchange with Ardath Road leadi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Department Of Transportation
The California Department of Transportation (Caltrans) is an executive department of the U.S. state of California. The department is part of the cabinet-level California State Transportation Agency (CalSTA). Caltrans is headquartered in Sacramento. Caltrans manages the state's highway system, which includes the California Freeway and Expressway System, supports public transportation systems throughout the state and provides funding and oversight for three state-supported Amtrak intercity rail routes (''Capitol Corridor'', ''Pacific Surfliner'' and ''San Joaquins'') which are collectively branded as ''Amtrak California''. In 2015, Caltrans released a new mission statement: "Provide a safe, sustainable, integrated and efficient transportation system to enhance California’s economy and livability." History The earliest predecessor of Caltrans was the Bureau of Highways, which was created by the California Legislature and signed into law by Governor James Budd in 1895.Raymon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1964 State Highway Renumbering (California)
In 1963 and 1964, the California Division of Highways implemented a major renumbering of its state highways. The majority of ''sign routes''—those marked for the public—kept their numbers; the main changes were to the ''legislative routes'', which had their numbers changed to match the sign routes. Many formerly unsigned routes received sign numbers corresponding to their new legislative numbers. A smaller change was the removal and truncating of many U.S. Routes in favor of the Interstate Highways (designated in 1959), and the renumbering of State Routes that conflicted with Interstate numbers. Some U.S. Routes that were officially removed continued to be signed until the replacement Interstates were completed. The state law authorizing the renumbering was passed on September 20, 1963. Signage changes took place by July 1, 1964. Changes in sign routes U.S. Routes *U.S. Route 6 was truncated to Bishop. The part south of Bishop was replaced by U.S. Route 395, State Route 14, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
I-15 (CA)
Route 15, consisting of the contiguous segments of State Route 15 (SR 15) and Interstate 15 (I-15), is a major north–south state highway and Interstate Highway in the U.S. state of California, connecting San Bernardino, Riverside, and San Diego Counties. The route consists of the southernmost of I-15, which extends north through Nevada, Arizona, Utah, Idaho, and Montana to the Canada–US border. It is a major thoroughfare for traffic between San Diego and the Inland Empire, as well as between Southern California, Las Vegas, Nevada, and the Intermountain West. South of its junction at I-8 in San Diego, the highway becomes SR 15, extending to I-5, about from the Mexican border. This segment was initially signed as a state route instead of an Interstate, but it is being upgraded to Interstate standards so it would become part of I-15 in the future. Including this segment, the entire length of Route 15 is in California. I-15 has portions de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SR 163 (CA)
State Route 163 (SR 163), or the Cabrillo Freeway, is a state highway in San Diego, California. The stretch of the former US 395 freeway runs from Downtown San Diego just south of an interchange with Interstate 5 (I-5), extending north through historic Balboa Park and various neighborhoods of San Diego to an interchange with I-15 in the neighborhood of Miramar. The freeway is named after Juan Rodríguez Cabrillo, the first European to navigate the coast of present-day California. The historic section of freeway through Balboa Park south of I-8 was the first freeway in San Diego County and one of the first in California. Prior to 1964, this was the southernmost section of U.S. Route 395 (US 395), which was truncated to Hesperia when it was replaced by I-15. This section is also designated as a State Scenic Highway. Route description SR 163 begins in downtown San Diego at an at-grade intersection with A Street and 11th Avenue. Shortly after, the freeway ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pliocene
The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58See the 2014 version of the ICS geologic time scale million years ago. It is the second and most recent epoch of the Neogene Period in the . The Pliocene follows the Epoch and is followed by the Epoch. Prior to the 2009 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MCAS Miramar
Marine Corps Air Station Miramar (MCAS Miramar) , formerly Naval Auxiliary Air Station (NAAS) Miramar and Naval Air Station (NAS) Miramar, is a United States Marine Corps installation that is home to the 3rd Marine Aircraft Wing, which is the aviation element of the 1st Marine Expeditionary Force. It is located in Miramar, San Diego, California, about north of Downtown San Diego. The airfield has been named Mitscher Field since 1955, after Admiral M.A. Mitscher, who was the commander of Task Force 58 during World War II. The air station is the former location of Pacific Fleet fighter and Airborne Early Warning and Control aircraft ( F-4 Phantom II, F-14 Tomcat, E-2 Hawkeye) and is best known as the former location of the United States Navy Fighter Weapons School (NFWS), its TOPGUN training program and the movie of the same name. In 1996, NFWS was relocated to Naval Air Station Fallon in western Nevada, 60 miles east of Reno and merged into the Naval Strike and Air Warfare ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
I-805 (CA)
Interstate 805 (I-805) is a major north–south auxiliary Interstate Highway in Southern California. It is a bypass auxiliary route of I-5, running roughly through the center of the Greater San Diego region from San Ysidro (part of the city of San Diego) near the Mexico–U.S. border to near Del Mar. The southern terminus of I-805 at I-5 in San Ysidro is less than north of the Mexican border. I-805 then traverses the cities of Chula Vista and National City before reentering San Diego. The freeway passes through the San Diego neighborhoods of North Park, Mission Valley, Clairemont, and University City before terminating at I-5 in the Sorrento Valley neighborhood near the Del Mar city limit. Planning for I-805 began in 1956, and the route was officially designated in 1959 before it was renumbered in the 1964 state highway renumbering. Starting in 1967, the freeway was built in phases, with the northern part of the freeway finished before the southern part. I-805 was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Soledad
Mount Soledad, also known as Soledad Mountain, is a prominent landmark in the city of San Diego, California, United States. The mountaintop is the site of the Mount Soledad Cross, the subject of a 25-year controversy over the involvement of religion in government which concluded in 2016. Geography The mountain lies between Interstate 5 to the east and the Pacific Ocean to the west. It is mostly within the community of La Jolla where the northern and eastern slopes form a sharp escarpment along the Rose Canyon fault. The community of Pacific Beach is on the gentler southern slope. There are several radio and television transmitters located on the summit including KFMB-TV and KGTV, the CBS and ABC affiliates respectively. Commercial aircraft approaching San Diego from the direction of Los Angeles often use Mount Soledad as their point to start the downwind leg of their approach to San Diego International Airport. Land events On October 3, 2007, one home on Soledad Mountain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Late Cretaceous
The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the Latin word for the white limestone known as chalk. The chalk of northern France and the white cliffs of south-eastern England date from the Cretaceous Period. Climate During the Late Cretaceous, the climate was warmer than present, although throughout the period a cooling trend is evident. The tropics became restricted to equatorial regions and northern latitudes experienced markedly more seasonal climatic conditions. Geography Due to plate tectonics, the Americas were gradually moving westward, causing the Atlantic Ocean to expand. The Western Interior Seaway divided North America into eastern and western halves; Appalachia and Laramidia. India maintained a northward course towards Asia. In the Southern Hemisphere, Australia and Ant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Clemente Canyon
San Clemente Canyon is a canyon located in the city of San Diego, in San Diego County, California.Marian Bear Memorial Park, a linear open space park, is along the canyon and in the southern tributary arroyos and mesa. Park The canyon and Marian Bear Memorial Park parallels the San Clemente Canyon Freeway (State Route 52) (along northern canyon slopes), between its junctions with Interstate 5 (on west) and Interstate 805 (on east) at the ends. The park provides a natural setting in the midst of a busy urban area. The of dedicated natural parkland include finger canyons and mesas on the south side. The main canyon and its tributaries continue to support a population of resident wildlife including raccoons, skunks, rabbits, amphibians, reptiles, and birds, and serve as a pathway for coyote, fox, and other native mammals. Along the length of the canyon are coast live oak, California sycamore, and native willow tree woodlands, with an undergrowth of native and other plant species ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
I-5 (CA)
Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in California runs across the length of the state from San Ysidro to the Oregon state line south of the Medford- Ashland metropolitan area. It is the longest interstate in California, and accounts for more than half of I-5's total length. It is the more important and most-used of the two major north–south routes on the Pacific Coast, the other being U.S. Route 101 (US 101), which is primarily coastal. I-5 links the major California cities of San Diego, Santa Ana, Los Angeles, Stockton, Sacramento, and Redding. The San Francisco Bay Area is about west of the highway. I-5 is known colloquially as "the 5" to Southern California residents and "5" to Northern California residents due to varieties in California English. I-5 als ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
