Business routes of Interstate 20 in Texas

Interstate 20 marker

Interstate 20
Route information
Maintained by TxDOT
Highway system

All of the business loops within Texas are maintained by the Texas Department of Transportation (TxDOT). Interstate 20 has fifteen business loops in the state, all located in western Texas. Along I-20, TxDOT identifies each business route as Business Interstate 20 followed by an alphabetic suffix. Along Texas Interstates, the alphabetic suffixes on business route names ascend eastward and northward. There are gaps in the alphabetic values to allow for future system expansion. The alphabetic naming suffixes are included as small letters on the bottom of route shields.

I-20 business routes in Texas generally follow the path of the former U.S. Route 80 through the central portions of towns now bypassed by the Interstate route.

Pecos–Barstow business loop

Business Interstate 20-B
Location: Pecos–Barstow
Length: 14.042 mi[1] (22.598 km)
Existed: 1991–present[1]

Business Interstate 20-B or Bus. I-20-B is a business loop of Interstate 20 that passes through Pecos and Barstow in Reeves and Ward counties.[1] The 13.3-mile (21.4 km) route, commissioned in 1991, begins at I-20 Exit 37 and ends at Exit 52. In Pecos, the route runs along Third St. The route has major intersections with US 285, SH 17, and three Farm to Market Roads.[2]

The route was originally designated as part of US 80 until US 80 was decommissioned in western Texas in 1991.[1]


CountyLocationmi[2]kmDestinationsNotes
Reeves​00.0 I-20 – El PasoWestern terminus
​0.40.64 FM 2119 (Western Ave.)
Pecos2.23.5 SH 17 (Bickley Ave.) – Balmorhea
3.04.8 FM 761 (Eddy St.)
3.65.8 US 285 (Cedar St.) – Fort Stockton, Carlsbad, NM
WardBarstow10.016.1 FM 516 (Mackey Ave.)
​13.321.4 I-20 – MonahansEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Monahans business loop

Business Interstate 20-D
Location: Monahans
Length: 8.223 mi[3] (13.234 km)
Existed: 1991–present[3]

Business Interstate 20-D or Bus. I-20-D is a business loop of Interstate 20 that passes through Monahans in Ward County commissioned in 1991.[3] The 7.2-mile (11.6 km) route begins at I-20 Exit 76 and runs along Sealy Ave. returning to the Interstate at Exit 83. The route has major intersections with SH 18, Spur 57, and Loop 464.[4]

The route together with Spur 57 was originally designated as part of US 80 until US 80 was decommissioned in western Texas in 1991.[3][5]


The entire route is in Ward County.

Locationmi[4]kmDestinationsNotes
​00.0 I-20 – PecosWestern terminus
Monahans0.60.97 Spur 57 (Sealy Ave.) – Wickett, Pyote
2.74.3 Loop 464 (Loop Rd.)
4.26.8 SH 18 (Main Ave.) – Fort Stockton, Kermit
7.211.6 I-20 – OdessaEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Odessa–Midland business loop

Business Interstate 20-E
Location: Odessa–Midland
Length: 31.761 mi[6] (51.114 km)
Existed: 1991–present[6]

Business Interstate 20-E or Bus. I-20-E is a business loop of Interstate 20 that passes through Odessa and Midland in Ector and Midland counties.[6] The 32.0-mile (51.5 km) loop, commissioned in 1991, begins at I-20 Exit 112 in West Odessa and ends at I-20 Exit 144 east of Midland.[6][7] In West Odessa and Odessa, the route is known as Second Street and intersects SH 302 and US 385. Between Odessa and Midland, the route intersects SH 349 connecting the business loop to Midland International Airport. In Midland, the route begins as Wall Street and intersects SH 158. At Spur 268, the business loop turns onto Front Street and continues along that street to its terminus.[7]

The business loop follows the previous path of US 80 through Odessa and Midland between 1952 and 1991 when US 80 was decommissioned in western Texas. Before 1952, US 80 in Midland continued along Wall Street following the present Spur 268, Bus. SH 158-B, and Spur 269 until returning to the present route. Between 1952 and 1991 this previous alignment in central Midland was signed as a US 80 business route although it carried state loop and spur designations.[8][9][10]


CountyLocationmi[7]kmDestinationsNotes
EctorWest Odessa00.0 I-20 – MonahansWestern terminus
1.42.3 SH 302 / Loop 338 – Kermit
Odessa2.94.7 FM 1882 (County Rd. West)
4.36.9 US 385 (Grant Ave.) – McCamey, Seminole
8.213.2 Loop 338
Midland10.617.1 Spur 588 (Faudree Rd.)
​14.523.3 SH 349 / FM 1788 – Rankin, LamesaMidland International Airport
Midland19.831.9 SH 158 / Loop 250 – Garden City, Andrews
22.035.4 Spur 268 (Wall St.)
23.237.3 SH 58 (Garfield St.)
24.339.1
Bus. SH 158 / Bus. SH 349 (Big Spring Street)
24.839.9 Spur 269 (Wall St.)
​30.148.4 Loop 250
​32.051.5 I-20 – StantonEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Stanton business loop

Business Interstate 20-F
Location: Stanton
Length: 4.687 mi[11] (7.543 km)
Existed: 1995–present[11]

Business Interstate 20-F or Bus. I-20-F is a business loop of Interstate 20 that passes through Stanton in Martin County commissioned in 1995.[11] The 4.6-mile (7.4 km) route begins at I-20 Exit 154 and runs along Front St. through Stanton to its terminus at I-20 Exit 158. The route has one major intersection with SH 137.[11][12]

When US 80 was decommissioned in 1991, this section was designated as Texas State Highway Loop 214. This designation was replaced by the current Interstate business route designation in 1995. The number was previously used for Texas State Highway Spur 214.[11][13]


The entire route is in Martin County.

Locationmi[12]kmDestinationsNotes
​00.0 I-20 – MidlandWestern terminus
Stanton2.03.2 SH 137 (Lamesa Hwy.) – Big Lake, Lamesa
​4.67.4 I-20 – Big SpringEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Big Spring business loop

Business Interstate 20-G
Location: Big Spring
Length: 5.609 mi[14] (9.027 km)
Existed: 1990–present[14]

Business Interstate Highway 20-G or Bus. I-20-G is a business loop of Interstate 20 that passes through Big Spring in Howard County commissioned in 1990.[14] The 5.6-mile (9.0 km) route begins at I-20 Exit 174 and runs along Martin Luther King, Jr. Blvd. before veering to the northeast and joining Third St. (westbound) and Fourth St. (eastbound) the remaining distance through town. The two streets merge just before rejoining I-20 at Exit 179. The route has major intersections with US 87, SH 350, and FM 700.[14][15]

The business loop largely follows the former route of US 80 through Big Spring before 1964 when US 80 was rerouted around town over I-20. At that time, the former route through town was designated as Texas State Highway Loop 402 although it was signed as a US 80 business route until the current Interstate business route was established in 1990.[14][16]


The entire route is in Howard County.

Locationmi[15]kmDestinationsNotes
​00.0 I-20 – StantonWestern terminus
Big Spring1.52.4 FM 700 (Marcy Dr.)
3.45.5 US 87 (Gregg St.) – Sterling City, Lamesa
4.06.4 SH 350 (Owens St.) – Snyder
5.48.7 I-20 – Colorado CityEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Westbrook business loop

Business Interstate 20-H
Location: Westbrook
Length: 1.069 mi[17] (1.720 km)
Existed: 1990–present[17]

Business Interstate Highway 20-H or Bus. I-20-H is a business loop of Interstate 20 that passes through Westbrook in Mitchell County commissioned in 1990.[17] The 1.1-mile (1.8 km) route begins at Interstate 20 Exit 206 and joins FM 670 along Thorne St. to Main St. where FM 670 turns north. The business loop continues along Thorne St. to I-20 at Exit 207.[17][18]

The business loop follows the route of the former US 80 through Westbrook before US 80 was rerouted along the present Interstate bypass in 1958. At that time, the former route through town became Texas State Highway Loop 333 until the present Interstate business route designation began in 1990.[17][19]


The entire route is in Mitchell County.

Locationmi[18]kmDestinationsNotes
​00.0 I-20 / FM 670 south – Big SpringWestern terminus; begin overlay of FM 670
Westbrook0.60.97 FM 670 north (Main St.)End overlay of FM 670
1.11.8 I-20 – Colorado CityEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Colorado City business loop

Business Interstate 20-J
Location: Colorado City
Length: 5.926 mi[20] (9.537 km)
Existed: 1990–present[20]

Business Interstate Highway 20-J or Bus. I-20-J is a business loop of Interstate 20 that passes through Colorado City in Mitchell County commissioned in 1990.[20] The 5.9-mile (9.5 km) route begins at Interstate 20 Exit 213 and runs along Second St. through Colorado City ending at I-20 Exit 219B. The route has major intersections with SH 163, SH 208, FM 1983, and runs concurrently for several blocks with Bus. SH 208-B on Colorado City's east side.[20][21]

The business loop follows the route of the former US 80 through Colorado City before 1963 when US 80 was rerouted along the present Interstate bypass. At that time the former route through town was designated as Texas State Highway Loop 377 although it was signed as a US 80 business route. It retained the Loop 377 designation until 1990 when it was reclassified with its present Interstate business route designation.[20][22]


The entire route is in Mitchell County.

Locationmi[21]kmDestinationsNotes
​00.0 I-20 – Big SpringWestern terminus
Colorado City1.82.9 FM 1983
2.94.7 SH 163 (Chestnut St.) – Sterling City
3.04.8
Bus. SH 208 (Hickory Street)
4.47.1 SH 208 – Robert Lee, Snyder
​5.99.5 I-20 – SweetwaterEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Loraine business loop

Business Interstate 20-K
Location: Loraine
Length: 1.633 mi[23] (2.628 km)
Existed: 1990–present[23]

Business Interstate Highway 20-K or Bus. I-20-K is a business loop of Interstate 20 that passes through Loraine in Mitchell County commissioned in 1990.[23] The 1.6-mile (2.6 km) route begins at Exit 224 of I-20 and follows along Pacific Ave. through town to I-20 Exit 226B. The route has major intersections with FM 644.[23][24]

The business loop follows along the route of the former US 80 through Loraine until 1957 when US 80 was rerouted along the present Interstate bypass. At that time, the former route was commissioned as Texas State Highway Loop 316 until 1990 when the route was given its present Interstate business route designation.[23][25]


The entire route is in Mitchell County.

Locationmi[24]kmDestinationsNotes
​00.0 I-20 – Colorado CityWestern terminus
Loraine1.11.8 FM 644 south (Main St. / Taylor St.)Begin overlay of FM 644
1.52.4 FM 644 north (Martin St.)End overlay of FM 644
1.62.6 I-20 – SweetwaterEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Roscoe business spur

Business Interstate 20-L
Location: Roscoe
Length: 1.644 mi[26] (2.646 km)
Existed: 1990–present[26]

Business Interstate Highway 20-L or Bus. I-20-L is a business spur of Interstate 20 that serves Roscoe in Nolan County commissioned in 1990.[26] The 1.6-mile (2.6 km) route begins at I-20 Exit 235 and proceeds to the northeast before turning east along First St. in Roscoe. The route terminates at Bus. US 84-J and FM 608.[26][27]

The business spur follows the path of the former US 80 through Roscoe before 1958 when US 80 was rerouted over the present Interstate bypass. The former US 80 continued from the present eastern terminus of the business spur east along First St. then followed US 84 to the present I-20. In 1958, the present business spur was designated Texas State Highway Spur 237 and then as Texas State Highway Loop 237 the following year even while maintaining the current termini as a true spur. The Loop 237 designation was dropped in favor of the current Interstate business classification in 1990. Loop 237 was originally designated in 1950 from US 82 south along Robison Road to US 67 in Texarkana. This route was removed from the state highway system in 1953.[26][28]


The entire route is in Nolan County.

Locationmi[27]kmDestinationsNotes
​00.0 I-20 – Colorado CityWestern terminus
Roscoe1.62.6
Bus. US 84 (First Street / Cypress Street) / FM 608 – Maryneal		Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Sweetwater business loop

Business Interstate 20-M
Location: Sweetwater
Length: 6.448 mi[29] (10.377 km)
Existed: 1990–present[29]

Business Interstate Highway 20-M or Bus. I-20-M is a business loop of Interstate 20 that passes through Sweetwater in Nolan County commissioned in 1990.[29] The 6.1-mile (9.8 km) route begins at Exit 241 of I-20 and US 84. The route proceeds to the northeast and at Loop 170 the route turns east along Broadway St. through town. On the east side of Sweetwater, the business loop joins SH 70 and follows that route back to I-20 and US 84 at Exit 247. The route has major intersections with FM 419 and FM 1544 and runs concurrently with Bus. SH 70-G on Sweetwater's east side.[29][30]

The business loop follows the former path of US 80 through Sweetwater before 1966 when US 80 was relocated along the current Interstate bypass. At that time, the former US 80 through Sweetwater was designated as Texas State Highway Loop 432 although it was signed as a US 80 business route. That designation ended with the current Interstate business route classification in 1990.[29][31]


The entire route is in Nolan County.

Locationmi[30]kmDestinationsNotes
​00.0 I-20 / US 84 – Colorado City, RoscoeWestern terminus
​0.40.64 Loop 170
​1.52.4 FM 1544
Sweetwater3.45.5
Bus. SH 70 south (Locust Street)		Begin concurrency with Bus. SH 70-G
3.55.6 FM 419 (Elm St.) – Roby
4.06.4
Bus. SH 70 north (Hailey Street)		End concurrency with Bus. SH 70-G
6.09.7 SH 70 north – RobyBegin concurrency with SH 70
6.19.8 I-20 / US 84 / SH 70 south – Blackwell, AbileneEastern terminus; end concurrency with SH 70
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Trent business loop

Business Interstate 20-N
Location: Trent
Length: 2.076 mi[32] (3.341 km)
Existed: 1990–present[32]

Business Interstate Highway 20-N or Bus. I-20-N is a business loop of Interstate 20 that passes through Trent in Taylor County commissioned in 1990.[32] The 2.1-mile (3.4 km) route begins at Exit 261 of I-20 and US 84 and passes through Trent along First St. ending at Exit 263 of I-10 and US 84. In Trent, the route has a major intersection with FM 1085.[32][33]

The route follows the former path of US 80 through Trent before US 80 was rerouted along the current Interstate bypass in 1957. At that time the former route of US 80 through town became designated as Texas State Highway Loop 319 until the current Interstate business route was established in 1990.[32][34]


The entire route is in Taylor County.

Locationmi[33]kmDestinationsNotes
​00.0 I-20 / US 84 – SweetwaterWestern terminus
Trent1.42.3 FM 1085 (Main St.) – Sylvester
​2.13.4 I-20 / US 84 – AbileneEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Merkel business loop

Business Interstate 20-P
Location: Merkel
Length: 2.786 mi[35] (4.484 km)
Existed: 1990–present[35]

Business Interstate Highway 20-P or Bus. I-20-P is a business loop of Interstate 20 that passes through Merkel in Taylor County commissioned in 1990.[35] The 2.8-mile (4.5 km) route begins at Exit 267 of I-20 and US 84 and passes through Trent along First St. ending at Exit 270 of I-10 and US 84. The route briefly runs concurrently with FM 126 and with FM 1235.[35][36]

The route follows the former US 80 through Merkel before US 80 was rerouted along the present Interstate bypass in 1958. From that time until the present Interstate business route was established in 1990, the route was designated as Texas State Highway Loop 39. The number used to belong to Texas State Highway Spur 39, which was designated in 1939 from SH 24 to Klondike. This became part of FM 1528 in 1949.[35][37]


The entire route is in Taylor County.

Locationmi[36]kmDestinationsNotes
​00.0 I-20 / US 84 – SweetwaterWestern terminus
Merkel1.01.6 FM 126 south (Ash St.) – NolanBegin overlay of FM 126
1.21.9 FM 126 north (Kent St.) – HamlinEnd overlay of FM 126
1.21.9 FM 1235 south (Oak St.) – Buffalo GapBegin overlay of FM 1235
​2.84.5 I-20 / US 84 / FM 1235 north – Abilene, StithEastern terminus; end overlay of FM 1235
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Tye business loop

Business Interstate 20-Q
Location: Tye
Length: 1.661 mi[38] (2.673 km)
Existed: 1990–present[38]

Business Interstate Highway 20-Q or Bus. I-20-Q is a business loop of Interstate 20 that passes through Tye in Taylor County commissioned in 1990.[38] The 1.7-mile (2.7 km) route begins along the south service road of I-20 and US 84 although it is accessed from eastbound traffic by way of FM 707 at Exit 277. The route runs along North St. to Spinks Rd. which carries the route back to I-20 and US 84 at Exit 278.[38][39]

The North St. portion of the route was the former route of US 80 before US 80 was rerouted over the current I-20 in 1957.[40] Before 1957 the former US 80 continued a short distance along North St. beyond Spinks Rd. parallel to the current I-20 to Bus. I-20-R and U.S. Route 84.[39] This latter section is a portion of the Bankhead Highway Historic District, listed on the National Register of Historic Places. Before the current Interstate business designation was given in 1990, the route was designated Texas State Highway Loop 320.[38][40]


The entire route is in Taylor County.

Locationmi[39]kmDestinationsNotes
Tye00.0 I-20 / US 84 – SweetwaterWestern terminus
0.50.80 FM 707 (Scott St.) – Anson
1.72.7 I-20 / US 84 – AbileneEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Abilene business loop

Business Interstate 20-R
Location: Abilene
Length: 8.466 mi[41] (13.625 km)
Existed: 1990–present[41]

Business Interstate Highway 20-R or Bus. I-20-R is a business loop of Interstate 20 that passes through Abilene in Taylor County commissioned in 1990.[41] The 12.4-mile (20.0 km) route begins at Exit 279 of I-20 and US 84 and proceeds along with US 84 along S. First St. past FM 3438. On Abilene's west side, the route intersects US 83 and US 277 at the Winters Fwy. where US 84 turns off to the south. The route continues east along S. First St. to central Abilene where the route turns north along Bus. US 83-D at Treadaway Blvd.. The route follows Treadaway Blvd. a short distance to N. Second St. where the route turns east. The route then proceeds along N. Second St. intersecting Loop 322 at the Jake Roberts Fwy. on the east side of Abilene before returning to I-20 at Exit 292A.[41][42]

The route follows the path of the former US 80 which joins the route in Tye approaching along North St. from Bus. I-20-Q. In 1961, the former US 80 was relocated along the current I-20 and the former route was designated as Texas State Highway Loop 355 although it was signed as a US 80 business route. This designation lasted until the current Interstate business designation began in 1990.[41][43]


The entire route is in Taylor County.

Locationmi[42]kmDestinationsNotes
Tye00.0 I-20 / US 84 west – SweetwaterWestern terminus; begin overlay of US 84
Abilene2.54.0 FM 3438 (Arnold Blvd.)
3.86.1 US 83 / US 84 east / US 277 (Winters Fwy.) – Tuscola, Anson, BronteEnd overlay of US 84
7.311.7
Bus. US 83 south (Treadaway Boulevard)		Begin overlay of Bus. US 83-D
7.411.9
Bus. US 83 north (Treadaway Boulevard)		End overlay of Bus. US 83-D
9.915.9 Loop 322 (Jake Roberts Fwy.)
12.420.0 I-20 – ClydeEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Baird business loop

Business Interstate 20-T
Location: Baird
Length: 2.826 mi[44] (4.548 km)
Existed: 1990–present[44]

Business Interstate Highway 20-T or Bus. I-20-T is a business loop of Interstate 20 that passes through Baird in Callahan County commissioned in 1990.[44] The 2.8-mile (4.5 km) route begins at I-20 Exit 306 west of Baird with Bus. I-20-T extending south of the intersection and FM 2047 following the roadway north of I-20. The route crosses through town along Fourth St. and has major intersections with US 283 and FM 18 before leaving Baird and joining I-20 at Exit 308 east of town.[44][45]

The route follows along the former location of US 80 through Baird before 1966 when US 80 was rerouted over the current route of I-20. At that time, the route's designation was changed to Texas State Highway Loop 425 until 1990 when the route received its current designation.[44][46]


The entire route is in Callahan County.

Locationmi[45]kmDestinationsNotes
​00.0 I-20 / FM 2047 – ClydeWestern terminus
Baird1.52.4 FM 18 (Market St.)
1.93.1 US 283 (Cherry St.)
​2.84.5 I-20 – PutnamEastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 3 4 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-B". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  2. 1 2 Google (May 31, 2010). "Route of Bus. I-20-B" (Map). Google Maps. Google. Retrieved May 31, 2010.
  3. 1 2 3 4 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-D". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  4. 1 2 Google (May 31, 2010). "Route of Bus. I-20-D" (Map). Google Maps. Google. Retrieved May 31, 2010.
  5. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 57". Highway Designation Files. Texas Department of Transportation. Retrieved June 5, 2010.
  6. 1 2 3 4 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-E". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  7. 1 2 3 Google (October 2, 2010). "Route of Bus I-20-E" (Map). Google Maps. Google. Retrieved October 2, 2010.
  8. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 268". Highway Designation Files. Texas Department of Transportation. Retrieved June 6, 2010.
  9. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 269". Highway Designation Files. Texas Department of Transportation. Retrieved June 6, 2010.
  10. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 546". Highway Designation Files. Texas Department of Transportation. Retrieved June 6, 2010.
  11. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-F". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  12. 1 2 Google (June 2, 2006). "Route of Bus. I-20-F" (Map). Google Maps. Google. Retrieved June 2, 2006.
  13. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 214". Highway Designation Files. Texas Department of Transportation. Retrieved June 12, 2010.
  14. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-G". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  15. 1 2 Google (June 2, 2010). "Route of Bus. I-20-G" (Map). Google Maps. Google. Retrieved June 2, 2010.
  16. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 402". Highway Designation Files. Texas Department of Transportation. Retrieved July 10, 2010.
  17. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-H". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  18. 1 2 Google (June 2, 2010). "Route of Bus. I-20-H" (Map). Google Maps. Google. Retrieved June 2, 2010.
  19. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 333". Highway Designation Files. Texas Department of Transportation. Retrieved July 10, 2010.
  20. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-J". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  21. 1 2 Google (June 2, 2010). "Route of Bus. I-20-J" (Map). Google Maps. Google. Retrieved June 2, 2010.
  22. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 377". Highway Designation Files. Texas Department of Transportation. Retrieved July 12, 2010.
  23. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-K". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  24. 1 2 Google (June 3, 2010). "Route of Bus. I-20-K" (Map). Google Maps. Google. Retrieved June 3, 2010.
  25. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 316". Highway Designation Files. Texas Department of Transportation. Retrieved July 10, 2010.
  26. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-L". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  27. 1 2 Google (June 3, 2010). "Route of Bus. I-20-L" (Map). Google Maps. Google. Retrieved June 3, 2010.
  28. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 237". Highway Designation Files. Texas Department of Transportation. Retrieved July 11, 2010.
  29. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-M". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  30. 1 2 Google (June 3, 2010). "Route of Bus. I-20-M" (Map). Google Maps. Google. Retrieved June 3, 2010.
  31. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 432". Highway Designation Files. Texas Department of Transportation. Retrieved July 11, 2010.
  32. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-N". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  33. 1 2 Google (June 4, 2010). "Route of Bus. I-20-N" (Map). Google Maps. Google. Retrieved June 4, 2010.
  34. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 319". Highway Designation Files. Texas Department of Transportation. Retrieved July 11, 2010.
  35. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-P". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  36. 1 2 Google (June 4, 2010). "Route of Bus. I-20-P" (Map). Google Maps. Google. Retrieved June 4, 2010.
  37. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 39". Highway Designation Files. Texas Department of Transportation. Retrieved July 11, 2010.
  38. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-Q". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  39. 1 2 3 Google (June 4, 2010). "Route of Bus. I-20-Q" (Map). Google Maps. Google. Retrieved June 4, 2010.
  40. 1 2 Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 320". Highway Designation Files. Texas Department of Transportation. Retrieved July 11, 2010.
  41. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-R". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  42. 1 2 Google (June 4, 2010). "Route of Bus. I-20-R" (Map). Google Maps. Google. Retrieved June 4, 2010.
  43. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 355". Highway Designation Files. Texas Department of Transportation. Retrieved July 12, 2010.
  44. 1 2 3 4 5 Transportation Planning and Programming Division (n.d.). "Business Interstate Highway No. 20-T". Highway Designation Files. Texas Department of Transportation. Retrieved May 30, 2010.
  45. 1 2 Google (June 4, 2010). "Route of Bus. I-20-T" (Map). Google Maps. Google. Retrieved June 4, 2010.
  46. ↑ Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 425". Highway Designation Files. Texas Department of Transportation. Retrieved July 12, 2010.

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