Wikipedia

Interstate 40 in Texas

(Redirected from Interstate 40 (TX))
This article is about the section of Interstate 40 in Texas. For the entire route, see Interstate 40.

In the US state of Texas, Interstate 40 (I-40[a]) runs west–east through the panhandle in the northwest part of the state. The only large city it passes through is Amarillo, where it meets the north end of I-27. The entire section of I-40 in Texas is designated as a Purple Heart Trail route.[3]

Interstate 40 marker
Interstate 40
Map
I-40 highlighted in red
Route information
Maintained by TxDOT
Length177.139 mi[1] (285.078 km)
Existed1959–present
NHSEntire route
Major junctions
West end I-40 at New Mexico state line
Major intersections
East end I-40 at Oklahoma state line
Location
CountryUnited States
StateTexas
CountiesDeaf Smith, Oldham, Potter, Carson, Gray, Donley, Wheeler
Highway system
← SH 39→ SH 40
← SH 65→ SH 66

Route description

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At-grade intersection on I-40 near milemarker 8 in far west Texas

I-40 in Texas is one of a few Interstate Highways with at-grade intersections. The westernmost 16 miles (26 km) of I-40 in Texas, near the New Mexico state line, lacks the frontage roads typical to Texas freeways, and eight driveways for ranches directly intersect the main lanes of I-40, in violation of Interstate standards. The entirety of I-40 in Texas is located in the panhandle.

I-40 enters Texas from New Mexico just north of Glenrio. The highway's first exit, exit 0, is for Business Interstate 40-A (Bus. I-40-A), which serves the town of Glenrio. I-40 briefly runs through Deaf Smith County before entering Oldham County. The Interstate gains frontage roads between exits 15 and 18 and turns from a northeast direction into a straight east direction. I-40 bypasses the town of Adrian before turning southeast. I-40 next bypasses the town of Vega, where it meets with US 385 at exit 36. The Interstate briefly runs in an east direction through the town of Wildorado before turning back to the southeast. I-40 has a mostly rural route before becoming more suburban in Bushland, with housing developments becoming visible from the highway. The Interstate passes by Cadillac Ranch before the Hope Road interchange and enters the city limits of Amarillo just west of State Highway Loop 335 (Loop 335). I-40 expands from four lanes to six at Loop 335 and runs through a heavily developed area of the city. Near downtown, the highway serves as the northern terminus for I-27 at a turbine interchange and begins an overlap with US 287.

I-40 runs through eastern Amarillo, passing by the American Quarter Horse Hall of Fame and The Big Texan Steak Ranch. Development along the route begins to lessen after South Eastern Street as the highway passes near Rick Husband Amarillo International Airport. US 287 leaves I-40 at exit 78 as the Interstate leaves the city limits of Amarillo. The highway runs primarily through rural farmland after leaving the city and enters the town of Groom, passing near a 19-story cross and a leaning water tower. East of Groom, I-40 has an overlap with State Highway 70 (SH 70) between exits 121 and 124. After the overlap with SH 70 ends, the terrain along the Interstate begins to change from flat plains to a rolling canyon ridge with an observation point near Alanreed. I-40 returns to flatland again after the town of McLean and bypasses the town of Shamrock before entering Oklahoma near Texola.

History

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Main article: U.S. Route 66 in Texas
 
Map of the Historic Route 66, now Interstate 40, in Texas.

Before the U.S. Highway system, this system of interconnected highway from New Mexico to Oklahoma was part of the Texas highway system and a portion of the Ozark Trails which closely paralleled the Chicago, Rock Island and Pacific Railway. When the United States Numbered Highway system was introduced in 1926, U.S. Highway 66 (US 66) across the Texas Panhandle was designated along existing roads in the Texas highway network. The entire route was paved by 1938. There have been various realignments, including one in 1959, to allow expansion of the Amarillo Air Force Base.

In 1956, the Interstate Highway Act designated US 66 through Texas as a section of highway eligible for limited access upgrades.

During the next 20 years, most of the highway was upgraded in place to keep construction costs low. With the limited access of the Interstates, towns on the highway had to be bypassed. Most towns requested to remain as close to the new highway as possible to minimize tourism losses. Bypassed towns included Glenrio, Adrian, Vega, Conway, Groom, Jericho, Alanreed, McLean, and Shamrock. A new routing along the south end of downtown Amarillo was also built, connecting with the already-built expressway leading south from downtown toward Canyon. In 1985, the entire designation of US 66 was removed as the entire route had been displaced by I-40.

Future

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In 2015, the Texas Department of Transportation (TxDOT) published the plans for the all new Loop 335 section that will encircle the city of Amarillo.[4] TxDOT has planned multiple multilevel interchanges that intersect with I-40. The first, on the eastside of Amarillo, is a multilevel interchange that will provide access to both directions of I-40 and Loop 335. The second interchange with I-40, however, will be a full stack interchange.[5][6] A new mainlane bridge that will accommodate up to six lanes is also in the works for I-40 near Helium Road, providing easier access to the new freeway.[7] Although construction started in 2016, the project is not expected to be complete until 2022.[8]

Exit list

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CountyLocationmikmExitDestinationsNotes
Deaf SmithGlenrio0.000.00 
  I-40 west – Albuquerque		New Mexico state line
0.480.770  I-40 BL – Glenrio
Oldham​15.3524.7015Ivy Road
​17.9828.9418  FM 2858 (Gruhlkey Road)
Adrian22.0335.4522  I-40 BL – Adrian
23.0437.0823  SH 214No westbound entrance; eastern terminus of BL-40
​28.6246.0628  FM 29 – LanderginSigned as simply "Landergin"
Vega35.0256.3635 
   I-40 BL east / FM 3319 – Vega
36.3558.5036  US 385 – Vega
37.6260.5437 
  I-40 BL west – Vega
​42.0967.7442Everett Road
​49.3779.4549  FM 809 – Wildorado
Potter​54.4387.6054Adkisson Road
​57.3292.2557  RM 2381 – Bushland
​60.3597.1260Arnot Road
​62.42100.4662AHope RoadAccess to Cadillac Ranch
Amarillo62B 
  I-40 BL east (Amarillo Boulevard)		Eastbound exit and westbound entrance
63.22101.7463  Loop 335 / Helium RoadEastbound access via exit 62B
64.50103.8064Soncy Road
65.46105.3565  Coulter StreetAccess to Northwest Texas Hospital and Baptist Saint Anthony's
66.52107.0566Bell Street / Avondale Street / Olsen Boulevard
67.56108.7367Western Street / Avondale Street / Olsen Boulevard
68.19109.7468AJulian Boulevard / Paramount Boulevard
68.64110.4768BGeorgia Street / Crockett Street
69.11111.2269ACrockett StreetWestbound exit and eastbound entrance
69.64112.0769BWashington Street – Amarillo College
70.30113.1470 
    
  I-27 south / US 60 / US 87 / US 287 north – Canyon, Lubbock, Dumas, Pampa		West end of US 287 overlap; I-27 exit 123B; northern terminus of I-27
70.88–
71.42		114.07–
114.94		71Ross-Osage Street / Arthur Street
72.07115.9972ANelson Street / Quarter Horse Drive (Loop 362 north)Access to the American Quarter Horse Hall of Fame
72.66116.9372BGrand Street / Bolton Street
73.60118.4573Eastern Street / Bolton Street
74.54–
74.66		119.96–
120.15		74Whitaker Road
75.66121.7675  Loop 335 (Lakeside Drive)
76.67123.3976   Spur 468 (Airport Boulevard) – Amarillo International Airport
77.65124.9777  FM 1258 (Pullman Road)
78.49126.3278 
  US 287 south – Fort Worth		East end of US 287 overlap; eastbound exit and westbound entrance
​79.94128.6580  Spur 228 – Amarillo College East Campus
​80.97130.3181  FM 1912
Carson​85.20137.1285Durrett RoadEastbound exit only
​85.39137.42 
   I-40 BL west (Amarillo Boulevard) / FM 2575		No eastbound exit
​87.56140.9187  FM 2373
​89.58144.1789  FM 2161
​96.68155.5996  SH 207 – Conway, Panhandle
​97.80157.3998 
  SH 207 south – Claude		Westbound exit and eastbound entrance
​104.79168.64105  FM 2880
​108.82175.13109  FM 294
Groom110.26–
110.50		177.45–
177.83		110 
  I-40 BL east – Groom
111.85180.01112  FM 295
112.93181.74113  FM 2300
Gray​114.05183.55114 
  I-40 BL west – Groom
Gray–Donley
county line		​120.62194.12121 
  SH 70 north – Pampa		West end of SH 70 overlap
​124.21199.90124 
  SH 70 south – Clarendon		East end of SH 70 overlap
Donley​127.71205.53128  FM 2477
Gray​131.60211.79132Johnson Ranch Road
Alanreed135.02–
135.65		217.29–
218.31		135  
  Loop 271 to FM 291 – Alanreed
McLean141.01226.93141 
  I-40 BL east – McLean		Eastbound exit and westbound entrance
142.25228.93142   SH 273 / FM 3143 – McLean
143.50230.94143 
  I-40 BL west – McLean		Westbound exit and eastbound entrance
Gray–Wheeler
county line		​146.26235.38146County Line Road
Wheeler​148.26238.60148  FM 1443 (Kellerville Road)
​152.26245.04152  FM 453 (Pakan Road)
​157.32253.18157    FM 1547 / FM 2474 / FM 3075 – Lela
Shamrock160.96–
161.51		259.04–
259.93		161 
  I-40 BL east – Shamrock		Eastbound exit and westbound entrance
162.65261.76163  US 83 – Shamrock, Wheeler, Wellington
163.94263.84164 
  I-40 BL west – Shamrock
167.40269.40167  FM 2168 (Daberry Road) – Shamrock
​169.40272.62169  FM 1802 (Carbon Black Road)
Benonine175.42282.31176 
  Spur 30 east – Texola		Eastbound exit only
176.04283.31Frontage RoadWestbound entrance only
​176.74284.44 
  I-40 east – Oklahoma City		Oklahoma state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Business routes and old alignments

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I-40 has seven business routes in Texas, all of which are old alignments of US 66. A number of other old alignments of US 66 are also present; most are marked on guide signs on I-40.

  • Bus. I-40-A (formerly State Highway Spur 504 (Spur 504)) is a business spur that runs from I-40 at Glenrio, just east of the New Mexico state line, southwest to the border. In New Mexico, the road forks—the later paved alignment (c. 1952) has been cut by I-40, and the earlier alignment west to San Jon is now a dirt road that had been paved when it was US 66 prior to 1952, but the paving was later removed by Quay County, New Mexico, commissioners due to high maintenance costs and low traffic volumes. Old US 66 (current Bus. I-40-A) through Glenrio was bypassed in 1973 by I-40.[9]
  • Bus. I-40-B (formerly Loop 550) is a business loop through Adrian. The road was bypassed c. 1969 by I-40 and carried US 66 until its 1985 decommissioning.[10][11]
  • Bus. I-40-C (formerly Loop 551) is a business loop through Vega. The road was bypassed c. 1973 by I-40 and carried US 66 until its 1985 decommissioning.[10][12]
  • Bus. I-40-D (formerly Loop 552) is a long business loop through Amarillo. An older alignment—Loop 279—carried Business U.S. Highway 66 (Bus. US 66). East of Amarillo, Farm to Market Road 2575 (FM 2575) is old US 66, rerouted to today's Bus. I-40-D in 1958 by the construction of Amarillo International Airport.[13] Present Bus. I-40-D was bypassed in 1968 by I-40 and carried US 66 until its 1985 decommissioning.[10][14]
  • FM 2161 and SH 207 carry old US 66 through Conway. The road was bypassed c. 1966 by I-40 and carried US 66 until its 1985 decommissioning.[10][15]
  • Bus. I-40-F (formerly Loop 554) is a business loop through Groom. The road was bypassed c. 1980 by I-40 and carried US 66 until its 1985 decommissioning.[10][16]
  • The short Loop 271, in addition to providing access to FM 291, is old US 66 through Alanreed. The road was bypassed in 1953 by US 66,[17] but the bypass was not upgraded to a freeway until c. 1982.[10]
  • Bus. I-40-H (formerly Loop 555) is a business loop through McLean. The road was bypassed c. 1984 by I-40 and carried US 66 until its 1985 decommissioning.[10][18]
  • Bus. I-40-J (formerly Loop 556) is a business loop through Shamrock. The road was bypassed c. 1973 by I-40 and carried US 66 until its 1985 decommissioning.[10][19]
  • Spur 30 is a short route from I-40 just west of the Oklahoma state line southeast to the border. In Oklahoma, the road is unnumbered though Texola, though it picks up I-40 Bus. at exit 5 to run through Erick. The road was bypassed c. 1972 by I-40 and carried US 66 until 1976 when it was moved onto I-40 in the area.[10][20]

See also

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Notes

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  1. ^ Some sources use "IH-40", as "IH" is an abbreviation used by the Texas Department of Transportation for Interstate Highways.[2]

References

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  1. ^ Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 40". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  2. ^ Transportation Planning and Programming Division (n.d.). "Highway Designations Glossary". Texas Department of Transportation. Retrieved May 20, 2020.
  3. ^ "Texas Purple Heart Entities". Military Order of the Purple Heart. Retrieved October 5, 2023.
  4. ^ GARCIA, VANESSA. "TxDOT lays out proposed Loop 335 project". Amarillo Globe-News. Retrieved 2021-12-30.
  5. ^ "SL335-PHII-Public Meeting-200 Scale-" (PDF). Archived from the original (PDF) on 15 July 2018. Retrieved 2021-12-30.
  6. ^ "Texas @ AARoads - State Loop 335". 2018-01-07. Archived from the original on 7 January 2018. Retrieved 2021-12-30.
  7. ^ "Public Meeting - State Loop 335". www.txdot.gov. Archived from the original on 2022-04-20. Retrieved 2021-12-30.
  8. ^ "The Amarillo Loop – All You Need To Know – Law Information – At Your Fingertips". Retrieved 2021-12-30.
  9. ^ Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 504". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  10. ^ a b c d e f g h i National Bridge Inventory
  11. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 550". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  12. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 551". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  13. ^ Transportation Planning and Programming Division (n.d.). "Farm to Market Road No. 2575". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  14. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 552". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  15. ^ Transportation Planning and Programming Division (n.d.). "Farm to Market Road No. 2161". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  16. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 554". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  17. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 271". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  18. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 555". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  19. ^ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 556". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
  20. ^ Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 30". Highway Designation Files. Texas Department of Transportation. Retrieved December 25, 2022.
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