Interstate 40

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Interstate 40 marker

Interstate 40
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Route information
Length: 2,555.10 mi[1] (4,112.03 km)
Major junctions
West end: I-15 in Barstow, CA
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East end: US 117 / NC 132 in Wilmington, NC
Highway system

Interstate 40 (I-40) is a major Interstate Highway running through the south-central portion of the United States generally north of Interstate 10 and Interstate 20 but south of Interstate 70. The western end is at Interstate 15 in Barstow, California; its eastern end is at a concurrency of U.S. Route 117 and North Carolina Highway 132 in Wilmington, North Carolina. Much of the western part of I-40, from Oklahoma City to Barstow, parallels or overlays the historic U.S. Route 66, east of Oklahoma City the route generally parallels U.S. Route 64 and U.S. Route 70. I-40 runs through many major cities including Raleigh, North Carolina; Nashville, Tennessee; Memphis, Tennessee; Little Rock, Arkansas; Oklahoma City, Oklahoma; Amarillo, Texas, and Albuquerque, New Mexico.

Route description

California

A sign showing the distance to Wilmington, North Carolina at the start of Interstate 40. This sign has been stolen several times.

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Main article: Interstate 40 in California

Interstate 40 is a major east–west route of the Interstate Highway System. Its western end is in Barstow, California. Known as the Needles Freeway, it heads east from Barstow across the Mojave Desert in San Bernardino County to Needles, before it crosses into Arizona southwest of Kingman. I-40 covers 155 miles (249 km) in California.

A sign in California showing the distance to Wilmington, North Carolina has been stolen several times.[2]

Arizona

I-40 eastbound heading towards Flagstaff

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Main article: Interstate 40 in Arizona

Interstate 40 is a main route to the South Rim of the Grand Canyon, with the exits leading into Grand Canyon National Park in Williams and Flagstaff. I-40 covers 359 miles (578 km) in Arizona. Just west of exit 190, west of Flagstaff, is its highest elevation along I-40 in the US, as the road crosses just over 7,320 feet. I-40 also passes through the Navajo Nation, the largest Indian reservation in the US.

New Mexico

Interstate 40 in eastern New Mexico

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Main article: Interstate 40 in New Mexico

I-40 covers 374 miles (602 km) in New Mexico. Notable cities along I-40 include Albuquerque, Santa Rosa, Tucumcari, Grants and Gallup. I-40 also travels through several different Indian reservations in the western half of the state. Arizona, New Mexico, and Texas are the only three states where I-40 has a speed limit of 75 mph (120 km/h) instead of 70 mph (112 km/h) which happens in California, Oklahoma, Arkansas, Tennessee, and North Carolina.

Texas

An at-grade intersection on I-40 in Texas, as of 2003.

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Main article: Interstate 40 in Texas

In the west Texas panhandle area, there are several ranch roads connected directly to the interstate. One of the marked at-grade crossings is shown to the right. The only major city in Texas that is directly served by I-40 is Amarillo, which connects with Interstate 27 that runs south toward Lubbock. I-40 has only one welcome center in the state that Is located in Amarillo at the exit for Rick Husband Amarillo International Airport, serving both sides of the interstate.

Oklahoma

I-40 Exit 240A in Oklahoma

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Main article: Interstate 40 in Oklahoma

Interstate 40 goes through the heart of the state, passing through many Oklahoma cities and towns, including Erick, Sayre, Elk City, Clinton, Weatherford, El Reno, Yukon, Oklahoma City, Midwest City, Shawnee, Okemah, Henryetta, Checotah, Sallisaw, and Roland. I-40 covers 331 miles (533 km) in Oklahoma. In downtown Oklahoma City, Interstate 40 was rerouted a mile south of its former alignment onto a 10 lane (5 in each direction) facility, which allowed for the dismantling of the crosstown bridge, which will in turn be replaced by a landscaped boulevard.

Arkansas

I-30/US 65/US 67/US 167 branch south from I-40/US 65/AR 107 in North Little Rock. This is also the eastern terminus of I-30.

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Main article: Interstate 40 in Arkansas

Interstate 40 enters the west-central part of the state and runs for 284 miles (457 km) in Arkansas. The route passes through Van Buren, where it intersects the southbound Interstate 540/US 71 to Fort Smith.[3] The route continues east to Alma to intersect Interstate 49 north to Fayetteville, Arkansas. Running through the Ozark Mountains, I-40 serves Ozark, Clarksville, Russellville, Morrilton and Conway. The route turns south after Conway and enters North Little Rock, which brings high volume interchanges with Interstate 430, I-30/US 65/US 67/US 167, and I-440/AR 440.[4] The interstate continues east through Lonoke, Brinkley, and West Memphis on the eastern side. Interstate 40 briefly overlaps Interstate 55 in West Memphis before it crosses the Mississippi River on the Hernando de Soto Bridge and enters Memphis, Tennessee.[5]

Tennessee

The Hernando de Soto Bridge, where I-40 crosses the Mississippi River into Memphis, TN

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Main article: Interstate 40 in Tennessee

More of Interstate 40 passes through Tennessee, 455 miles (732 km), than any other state. The interstate goes through all of the three Grand Divisions of Tennessee and its three largest cities, Memphis, Nashville and Knoxville. Jackson, Lebanon, Cookeville, Crossville, and Newport are other notable cities and/or towns through which I-40 passes. Before leaving the state, I-40 enters the Great Smoky Mountains towards North Carolina.

The section of Interstate 40 which runs between Memphis and Nashville is often referred to as the Music Highway.[6] During reconstruction, a long section of I-40 through downtown Knoxville near the central Malfunction Junction was completely closed to traffic from May 1, 2008 and not reopened until June 12, 2009 with all traffic redirected via Interstate 640, the northern bypass route. The redesigned section now has additional lanes in each direction, is less congested, and has fewer accidents.[7][8]

North Carolina

I-40 east approaching the Raleigh, NC Beltline

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Main article: Interstate 40 in North Carolina

In North Carolina, I-40 merges with I-85 between Greensboro and Hillsborough, just west of Durham. In Alamance County, the highway is also known as the Sam Hunt Freeway. Due to a recent rerouting of I-85 around Greensboro, I-40 departs from it eight miles (13 km) east of the original split. From February to Mid September 2008 I-40 was moved to a new alignment south of Greensboro, which also carries the new I-85 bypass and will eventually carry Interstate 73 as well, while the old I-40 through Greensboro became a second I-40 freeway Business Loop. However, on September 12, 2008 after complaints from motorists and residents, NCDOT got permission from the FHWA to put I-40 back onto the old alignment through Greensboro. This resulted in the decommissioning of Interstate 40 Business through Greensboro. This was also done to maintain federal funding on the old I-40 route. To make up for the removal of I-40 from the loop, US 421 was rerouted onto I-40's previous alignment. I-40 covers 421 miles (678 km) in North Carolina.

Barstow, Calif. distance sign, as seen from I-40 in Wilmington, NC.

In violation of Interstate standards, I-40 has one marked and two unmarked at-grade crossings in western North Carolina. About eight miles (13 km) from the Tennessee state-line in North Carolina, when going westwards, a sign for "Hurricane Creek Road" appears. Hurricane Creek Road is a local dirt road whose quality is below that of the shoulder, and the intersection is controlled by a stop sign. It is a right-in, right-out entrance. Two other unmarked local roads directly link onto I-40 in the area, including a private access road for Walters Dam between mile markers 11 and 12 on the westbound side.[9]

A standard distance sign exists near the start of the westbound section of I-40 in Wilmington that indicates the distance to Barstow, California as 2,554 miles (4,110 km). Although NCDOT has stated it would not be replaced after frequent thefts, as of August 15, 2013, the sign is present.

Lengths
  mi[1] km
CA 154.61 248.82
AZ 359.48 578.53
NM 373.51 601.11
TX 177.10 285.11
OK 331.03 532.74
AR 284.69 458.16
TN 455.28 732.70
NC 423.55 681.64
Total 2,559.25 4,118.71

History

For about 1,000 miles (1,600 km), I-40 follows the general route of the Beale Wagon Road from Arkansas to California. The Beale Wagon Road was built in 1857–59 by a team led by Lt. Edward Fitzgerald Beale using a team of camels as pack animals.

In Albuquerque, New Mexico, I-40 was originally meant to replace Central Avenue through the center of the city. However, due to development and public opposition, a route running to the north of that one was chosen.[citation needed] The freeway intersects Central Ave. at both ends of the city.

In 1957, the California Department of Highways proposed that the route be renumbered to Interstate 30 instead, because of the already existing U.S. Route 40 in the state. Then, U.S. Rte-40 was decommissioned in California in 1964, as a part of a major revamping of California's overall highway numbering system, so the problem disappeared.[10]

The California State government submitted State Route 58 between Barstow and Bakersfield for I-40 extension potential in 1956 and 1968, though those requests were rejected.[11] This portion of SR 58 was once signed as the U.S. Route 466.

From 1963 to 1966, the US government considered a plan, part of Operation Plowshare, to use atomic bombs to excavate a path for I-40 through California. The project was scuttled largely due to the cost of developing the explosives and due to the unavailability of a "clean bomb".[12]

In Memphis, I-40 was originally intended to go through the city's Overton Park toward downtown. Several miles of interstate were actually built within the I-240 loop. That portion of highway still exists, and it is in regular use as the non-Interstate Sam Cooper Boulevard, reaching the eastern end of the Chickasaw Country Club. Environmentalist opposition, combined with a victory in the United States Supreme Court by opponents of the Overton Park route (see Citizens to Preserve Overton Park v. Volpe) forced abandonment of the original plans, and the road never reached the park. For over 20 years, I-40 signs existed on the dead-end route toward Overton Park. Eventually, the northern span of the I-240 loop was redesignated as I-40.[citation needed]

In 1971, the North Carolina State Highway Commission approved a plan to extend I-40 from Research Triangle Park to Interstate 95, a distance of 41 miles, at a cost of $75 million. Most of the highway would be four lanes, though six lanes were likely near Raleigh, where I-40 would extend the Beltline. Several routes were being considered, but at the time, the most likely route would have ended north of Smithfield.[13]

When the last portion of I-40, connecting Wilmington to Raleigh, was completed in the late 1980s, Charles Kuralt stated:

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Thanks to the interstate highway system, it is now possible to travel from coast to coast without seeing anything.[14]

Originally, I-40 was constructed through downtown Winston-Salem, and it continued to follow that route until a new urban bypass route was built. After the bypass was completed around 1992, I-40 was relocated to the new freeway. The old highway was then redesignated as Interstate 40 Business, creating a business route that is actually an expressway for its entire length, a rarity among business routes. There are arguments that the former I-40 expressway in Winston-Salem should become an interstate again, especially since the road is currently undergoing an upgrade. There are no even loop numbers left for I-40, however, since the NCDOT has plans to use last available one Interstate 840 for the northern loop of a beltway that is being built around nearby Greensboro.[citation needed]

The collapsed section of the Interstate 40 bridge, May 31, 2002

The I-40 bridge disaster occurred on May 26, 2002 when a barge collided with a bridge foundation member near Webbers Falls, Oklahoma, causing a 580-foot (177 m) section of the I-40 bridge to plunge into the Arkansas River. Automobiles and semi-trailers fell into the water, killing fourteen people.

The "Big I" I-25 and I-40 interchange in Albuquerque, New Mexico, was given an honorable mention by the United States Department of Transportation and the Federal Highway Administration for excellence in urban highway design in 2002.[15]

Landslides are common in the Pigeon River Gorge section along the Tennessee and North Carolina border. Here the roadway was cut into the slopes of several steep mountains. Accidents on the winding road are also common especially during bad weather. On October 25, 2009, Interstate 40 was closed at the North Carolina and Tennessee border due to a landslide at Mile Marker 2.6 just east of the Tennessee state line. All Traffic was detoured via Interstates 26 and 81, and non-heavy load traffic via US 25/70.[16] The roadway was reopened on April 25, 2010, with some remaining limitations on westbound traffic.[17]

Junction list

California
I‑15 in Barstow
US 95 west-northwest of Needles. The highways travel concurrently to Needles.
Arizona
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Future I‑11 / US 93 in Kingman. The highways travel concurrently to east-northeast of Kingman.
I‑17 in Flagstaff
US 89 / US 180 in Flagstaff. I-40/US 180 travels concurrently to Holbrook.
US 191 in Chambers. The highways travel concurrently to Sanders.
New Mexico
US 491 in Gallup
I‑25 / US 85 in Albuquerque
US 285 in Clines Corners
US 84 west-northwest of Santa Rosa. The highways travel concurrently to Santa Rosa.
US 54 in Santa Rosa. The highways travel concurrently to Tucumcari.
Texas
US 385 in Vega
I‑27 / US 60 / US 87 / US 287 in Amarillo. I-40/US 287 travels concurrently through Amarillo.
US 83 in Shamrock
Oklahoma
US 283 in Sayre
US 183 in Clinton
US 281 in Hinton
US 270 west of El Reno. The highways travel concurrently to northwest of Shawnee.
US 81 in El Reno
I‑44 in Oklahoma City
I‑35 / I‑235 / US 62 / US 77 in Oklahoma City. I-35/I-40/US 62 travels concurrently through Oklahoma City.
I‑240 in Oklahoma City
US 177 / US 270 northwest of Shawnee
US 377 south-southeast of Prague
US 62 in Okemah. The highways travel concurrently to Henryetta.
US 75 northeast of Clearview. The highways travel concurrently to Henryetta.
US 69 southwest of Checotah
US 266 in Warner
US 59 in Sallisaw
US 64 in Sallisaw
US 64 in Roland
Arkansas
I‑540 / US 71 in Van Buren. I-40/US 71 travels concurrently to Alma.
I‑49 in Alma
US 64 in Clarksville
US 64 in Lamar
US 64 in London
US 65 in Conway. The highways travel concurrently to North Little Rock.
US 64 in Conway
I‑430 in North Little Rock
I‑30 / US 65 / US 67 / US 167 in North Little Rock. I-40/US 67/US 167 travels concurrently through North Little Rock.
I‑440 in North Little Rock
US 63 in Hazen. The highways travel concurrently to West Memphis.
US 49 in Brinkley
US 79 south of Jennette. The highways travel concurrently to West Memphis.
I‑55 / US 61 / US 63 / US 64 in West Memphis. I-40/I-55/US 61/US 64 travels concurrently through West Memphis.
Tennessee
US 51 in Memphis
I‑69 / I‑240 in Memphis. I-40/I-69 travels concurrently through Memphis.
US 64 / US 70 / US 79 in Memphis
I‑240 in Memphis
US 64 on the Memphis–Bartlett city line
US 70 east of Brownsville
US 412 in Jackson. The highways travel concurrently to northeast of Jackson.
US 45 in Jackson
US 70 / US 412 northeast of Jackson
US 641 southeast of Holladay
US 70S in Nashville
US 70 in Nashville
I‑440 in Nashville
I‑65 in Nashville. The highways travel concurrently through Nashville.
US 70 in Nashville
US 70 / US 70S / US 431 in Nashville
I‑24 in Nashville. The highways travel concurrently through Nashville.
US 231 in Lebanon
US 70 in Lebanon
US 70N in Cookeville
US 70N in Monterey
US 127 in Crossville
US 27 in Harriman
US 321 in Lenoir City
I‑75 west of Farragut. The highways travel concurrently to Knoxville.
I‑140 in Knoxville
US 11 / US 70 in Knoxville
I‑75 / I‑640 in Knoxville
US 129 in Knoxville
I‑275 in Knoxville
US 441 in Knoxville
US 11W in Knoxville
I‑640 / US 25W in Knoxville. I-40/US 25W travels concurrently through Knoxville.
US 11E / US 25W / US 70 in Knoxville
US 25W / US 70 west of Dandridge
I‑81 north-northeast of Dandridge
US 25W / US 70 / US 411 in Newport
US 321 in Newport
North Carolina
US 276 in Cove Creek
US 74 north-northwest of Clyde. The highways travel concurrently to Asheville.
US 19 / US 23 in Asheville
I‑26 / I‑240 / US 74 in Asheville
US 25 in Asheville
I‑240 in Asheville
US 70 in Black Mountain. The highways travel concurrently to southwest of Old Fort.
US 221 southeast of West Marion
US 64 in Morganton
US 321 in Hickory
US 64 in Statesville
US 21 in Statesville
I‑77 in Statesville
US 64 in Statesville
US 64 east-northeast of Statesville
US 64 west-northwest of Mocksville
US 601 in Mocksville
US 421 in Winston-Salem
US 158 in Winston-Salem
US 52 / US 311 in Winston-Salem. I-40/US 311 travels concurrently through Winston-Salem.
I‑74 / US 311 in Winston-Salem
US 421 west of Greensboro. The highways travel concurrently to Greensboro.
I‑73 / US 421 in Greensboro
US 220 in Greensboro. The highways travel concurrently through Greensboro.
US 29 / US 70 in Greensboro. The highways travel concurrently through Greensboro.
I‑85 in Greensboro. The highways travel concurrently to southwest of Hillsborough.
US 15 / US 501 in Durham
I‑540 in Durham
I‑440 / US 1 / US 64 in Raleigh. I-40/US 64 travels concurrently through Raleigh.
US 70 / US 401 in Raleigh
I‑440 / US 64 in Raleigh
US 70 in Garner. The highways travel concurrently to west-southwest of Clayton.
I‑95 in Benson
US 701 south-southeast of Newton Grove
US 117 south-southeast of Warsaw
US 117 east-southeast of Willard
I‑140 / US 17 in Murraysville
US 117 on the Kings Grant–Murraysville CDP line

Auxiliary routes

In Oklahoma City, the designation I-440 had been given to a stretch of Interstate Highway from I-240 to US-66. It was a part of Grand Boulevard that had been built in compliace with Interstate standards. In 1982, as part of Oklahoma's "Diamond Jubilee", I-44's western terminus was moved from the I-35/I-44 junction to the Texas/Oklahoma state-line via the Belle Isle Freeway (connecting I-440 with I-35); I-440, the H. E. Bailey Turnpike; and the turnpike connector road on the eastern edge of Lawton, Oklahoma. The I-440 number was dropped at the time, but it might return again sometime in the future.

See also

Business routes

References

  1. ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
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  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Tennessee public acts 2001 Chapter 100, Senate Bill 916 House Bill 616 Signed into law 18 April 2001 http://www.tennessee.gov/sos/acts/102/pub/pc0100.pdf
  7. ↑ SmartFix - I-40/James White Parkway/Hall of Fame Drive - Tennessee Department of Transportation Archived December 31, 2010 at the Wayback Machine
  8. ↑ SmartFix - I-40/James White Parkway/Hall of Fame Drive - Tennessee Department of Transportation Archived April 29, 2009 at the Wayback Machine
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Waller, Jeff. Interstate 40 Extension and Bakersfield Freeway Network. California Streets. URL accessed 21:19, 18 February 2006 (UTC).
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ "SHC Approves I-40 Link in Wake County", Concord Tribune (Associated Press), July 20, 1971.
  14. ↑ Wilson, Amy. U.S. Route 66: Historic Road Is Time Line of America. National Geographic News. January 18, 2002. URL accessed 21:31, 18 February 2006 (UTC).
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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California
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