I-40 (CA)
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Interstate 40 (I-40) is a major east–west
Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. Th ...
in the United States, stretching from Barstow, California, to Wilmington, North Carolina. The segment of I-40 in California is sometimes called the Needles Freeway. It goes east from its western terminus at
I-15 I15 may refer to: * Interstate 15, a north–south Interstate Highway in the United States of America * Polikarpov I-15, a Soviet fighter aircraft * I15 (band) "Soulja Girl" is the second single from American rapper Soulja Boy's studio album '' ...
in Barstow across the Mojave Desert in San Bernardino County past the Clipper Mountains to Needles, before it crosses over the Colorado River into Arizona east of Needles. All of I-40 in California are in San Bernardino County.


Route description

I-40 goes through the Mojave Desert on the entirety of its run through California. The highway starts its eastward journey at a junction with
I-15 I15 may refer to: * Interstate 15, a north–south Interstate Highway in the United States of America * Polikarpov I-15, a Soviet fighter aircraft * I15 (band) "Soulja Girl" is the second single from American rapper Soulja Boy's studio album '' ...
in Barstow. The freeway passes through Marine Corps Logistics Base Barstow before leaving the city limits. I-40 provides access to the town of Daggett but passes south of the town. After passing south of the Barstow-Daggett Airport, I-40 goes through Newberry Springs and Ludlow before traveling along the south end of Mojave National Preserve. Several miles east of the preserve, I-40 intersects U.S. Route 95 (US 95), and the two highways run concurrently into the city of Needles. In Needles, US 95 continues south while I-40 continues east through Mojave National Preserve and across the Colorado River into Arizona. The maximum speed limit for the entire California segment of I-40 is . I-40 is part of the
California Freeway and Expressway System The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It is defined by Article 2 (commenci ...
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. I-40 is eligible for the State Scenic Highway System, but it is not officially designated as a scenic highway by the California Department of Transportation. I-40 from I-15 to the Arizona state line is known as the Needles Freeway, as named by Senate Concurrent Resolution 1 in 1968.


History

In 1957, the California Department of Highways proposed that the route be numbered as I-30 because of the already existing US 40 in the state. However, this was rejected, and, eventually, US 40 was decommissioned in favor of I-80. Today, the Needles Freeway replaced the former US 66 across the Mojave Desert. As a result, a number of communities along the former route, like
Amboy Amboy may refer to: Places * Amboy, Córdoba, village in Calamuchita Department, Córdoba province, Argentina United States * Amboy Crater, feature in Mojave National Preserve, California Settled U.S. places * Amboy, California * Amboy, Ge ...
, have become ghost-towns. In the early 1960s, a proposal as part of Project Plowshare would have detonated 22 nuclear explosions to excavate a massive roadcut through the Bristol Mountains to accommodate a better alignment of I-40 and a new rail line. This proposal was definitively abandoned in 1968. A sign in California showing the distance to Wilmington, North Carolina, has been stolen several times.


Exit list


Related routes

California does not have any auxiliary Interstate Highways associated with I-40. There is one I-40 business loop in Needles, providing access to downtown Needles as Broadway (Historic Route 66). As such, it also follows the former routing of US 66.


See also

*


References


External links


Interstate 40
@ Interstate-Guide.com

@ Interstate-Guide.com

at California @ AARoads.com
Interstate 40 highway conditions
from Caltrans

at California Highways {{3di, 40 40 Southern California freeways Roads in San Bernardino County, California California