Interstate 40 in Texas

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This article is about the section of Interstate 40 in Texas. For the entire length of the highway, see Interstate 40.

Interstate 40 marker

Interstate 40
Route information
Maintained by TxDOT
Length: 177.1 mi[1] (285.0 km)
Existed: 1959 – present
Major junctions
West end: I‑40 at New Mexico state line
  US 385 in Vega
I-27 / US 60 / US 87 / US 287 in Amarillo
US 83 in Shamrock
East end: I‑40 at Oklahoma state line
Highway system
SH 39 SH 40
SH 65 US 66.svg SH 66

In the U.S. state of Texas, Interstate 40 (abbreviated I-40) 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 Interstate 27.

History[edit]

Before the U.S. Route 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, Route 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 U.S. Route 66 was removed as the entire route had been displaced by Interstate 40.

Route description[edit]

I-40 in Texas is one of a few Interstate Highways with at-grade intersections. The westernmost part of I-40 in Texas, near the New Mexico border, lacks the frontage roads typical to Texas freeways, and several driveways for ranches directly intersect the main lanes of I-40, in violation of Interstate standards.

Exit list[edit]

County Location Mile km Exit Destinations Notes
Deaf Smith New Mexico state line 0.00 0.00 I‑40 west – Albuquerque Continues into New Mexico
  0 BL I-40 – Glenrio
Oldham   15 Ivy Road
  18 FM 2858 (Gruhlkey Road)
Adrian 22 BL I-40 / SH 214 – Adrian
23 SH 214 south
  28 FM 3319 – Landergin
Vega 35 BL I-40 east / FM 3319 – Vega
36 US 385 – Vega
37 BL I-40 west – Vega
  42 Everett Road
  49 FM 809 – Wildorado
Potter   54 Adkisson Road
  57 RM 2381 – Bushland
  60 Arnot Road
  62A Hope Road, Helium Road
Amarillo 62B BL I-40 east (Amarillo Boulevard) Eastbound exit and westbound entrance
64 Loop 335 (Soncy Road) / Helium Road
65 Coulter Street
66 Bell Street, Avondale Street, Olsen Boulevard
67 Western Street, Avondale Street, Olsen Boulevard
68A Julian Boulevard, Paramount Boulevard
68B Georgia Street, Crockett Street
69A Crockett Street Westbound exit and eastbound entrance
69B Washington Street – Amarillo College
70 I-27 south / US 60 / US 87 / US 287 north – Canyon, Lubbock, Dumas, Pampa West end of US 287 overlap
71 Ross-Osage Street, Arthur Street
72A Nelson Street, Quarter Horse Drive
72B Grand Street, Bolton Street
73 Eastern Street, Bolton Street
74 Whitaker Road
75 Loop 335 (Lakeside Drive)
76 Spur 468Amarillo International Airport
77 FM 1258 (Pullman Road)
78 US 287 south – Fort Worth East end of US 287 overlap; eastbound exit and westbound entrance
  80 Spur 228Amarillo College East Campus
  81 FM 1912
Carson   85 Durrett Road Eastbound exit only
  85 BL I-40 west (Amarillo Boulevard) / FM 2575 No eastbound exit
  87 FM 2373
  89 FM 2161
  96 SH 207 – Conway, Panhandle
  98 SH 207 south – Claude Westbound exit and eastbound entrance
  105 FM 2880
  109 FM 294
Groom 110 BL I-40 east – Groom
112 FM 295
113 FM 2300
Gray   114 BL I-40 west – Groom
Donley   121 SH 70 north – Pampa North end of SH 70 overlap
  124 SH 70 south – Clarendon South end of SH 70 overlap
  128 FM 2477
Gray   132 Johnson Ranch Road
Alanreed 135 Loop 271 to FM 291 – Alanreed
McLean 141 BL I-40 east – McLean Eastbound exit and westbound entrance
142 SH 273 / FM 3143 – McLean
143 BL I-40 west – McLean Westbound exit and eastbound entrance
  146 County Line Road
Wheeler   148 FM 1443 (Kellerville Road)
  152 FM 453 (Pakan Road)
  157 FM 1547 / FM 2474 / FM 3075 – Lela
Shamrock 161 BL I-40 east – Shamrock Eastbound exit and westbound entrance
163 US 83 – Shamrock, Wheeler, Wellington
164 BL I-40 west – Shamrock
167 FM 2168 (Daberry Road) – Shamrock
  169 FM 1802 (Carbon Black Road)
  176 Spur 30 east – Texola Eastbound exit and westbound entrance
Oklahoma state line 177.10 285.01 I‑40 east – Oklahoma City Continues into Oklahoma
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Business routes and old alignments[edit]

Business Loop 40.svg

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.

Business Interstate Highway 40-A (formerly 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 (ca. 1952) has been cut by Interstate 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, NM commissioners due to high maintenance costs and low traffic volumes. The old US 66/I-40 Business Loop through Glenrio was bypassed in 1973 by I-40.[2]

Business Interstate Highway 40-B (formerly Loop 550) is a Business Loop through Adrian. The road was bypassed ca. 1969 by I-40,[3] and carried US 66 until its 1985 decommissioning.[4]

Business Interstate Highway 40-C (formerly Loop 551) is a Business Loop through Vega. The road was bypassed ca. 1973 by I-40,[3] and carried US 66 until its 1985 decommissioning.[5]

Business Interstate Highway 40-D (formerly Loop 552) is a long Business Loop through Amarillo. An older alignment - Loop 279 - carried Business U.S. Highway 66. East of Amarillo, Farm to Market Road 2575 is old US 66, rerouted to today's Business I-40 in 1958[6] by the construction of Amarillo International Airport. Present Business I-40 was bypassed in 1968 by I-40,[3] and carried US 66 until its 1985 decommissioning.[7]

Farm to Market Road 2161 and State Highway 207 carry old US 66 through Conway. The road was bypassed ca. 1966 by I-40,[3] and carried US 66 until its 1985 decommissioning.[8]

Business Interstate Highway 40-F (formerly Loop 554) is a Business Loop through Groom. The road was bypassed ca. 1980 by I-40,[3] and carried US 66 until its 1985 decommissioning.[9]

The short Loop 271, in addition to providing access to Farm to Market Road 291, is old US 66 through Alanreed. The road was bypassed in 1953 by US 66,[10] but the bypass was not upgraded to a freeway until ca. 1982.[3]

Business Interstate Highway 40-H (formerly Loop 555) is a Business Loop through McLean. The road was bypassed ca. 1984 by I-40,[3] and carried US 66 until its 1985 decommissioning.[11]

Business Interstate Highway 40-J (formerly Loop 556) is a Business Loop through Shamrock. The road was bypassed ca. 1973 by I-40,[3] and carried US 66 until its 1985 decommissioning.[12]

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 Interstate 40 Business at exit 5 to run through Erick. The road was bypassed ca. 1972 by I-40,[3] and carried US 66 until 1976, when it was moved onto I-40 in the area.[13]

See also[edit]

References[edit]

External links[edit]

Route map: Google / Bing


Interstate 40
Previous state:
New Mexico
Texas Next state:
Oklahoma