List of Interstate Highways in Texas

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Texas Interstate Highway markers
A map of the Interstate Highways in Texas
All Interstate Highways in Texas
System information
Maintained by TxDOT
Formed: June 29, 1956 (1956-06-29)[1]
Length: 3,274.7 mi (5,270.1 km)
Highway names
Interstates: Interstate X (I-X)
Interstate Highway X (IH-X)
US Routes: U.S. Highway X (US X)
State: State Highway X (SH X)
Loops: Loop X
Spurs: Spur X
Recreational: Recreational Road X (RE X)
Farm or Ranch
to Market Roads:
Farm to Market Road X (FM X)
Ranch to Market Road X (RM X)
Park Roads: Park Road X (PR X)
System links

The Interstate Highways in Texas are all owned and maintained by the U.S. state of Texas.[2] The Texas Department of Transportation (TxDOT) is the agency responsible for the day-to-day maintenance and operations of the Interstate Highways in Texas. The Interstate Highway System in Texas covers 3,239.7 miles (5,213.8 km) and consists of eleven primary routes, seven auxiliary routes and Interstate 35 (I-35) which is split into two branches, I-35E and I-35W, that provide access to both Fort Worth and Dallas. The longest segment of Interstate Highway in Texas is I-10 at 878.6 miles (1,414.0 km); the shortest is I-110 at 0.9 miles (1.4 km).

The construction of the Interstate Highway System in Texas began well before these routes were designated as Interstate Highways. A 50-mile (80 km) stretch of I-45 between Galveston and Houston was opened in 1951, eight years before it was designated I-45. It was also the first urban expressway in Texas. In 1962, 43 miles (69 km) of I-35 opened in Bexar County, the first section of Interstate Highway to open from county line to county line in a large metropolitan area.[3] Portions of I-10 west of San Antonio took much longer to complete due to the vast open spaces and lack of nearby labor. The majority of the construction of this section of I-10 occurred in the 1970s and 1980s and was complete by the early 1990s. The section east of San Antonio was completed 20 years earlier in 1972.[4] The opening of a 6-mile (10 km) section of I-27 in 1992 completed the Interstate Highway System in Texas.[5]

Planning is ongoing for a proposed extension of I-69 southward from its current terminus in Indiana through Texas to the United States–Mexico border.[6] If complete as planned, I-69 will extend about 650 miles (1,050 km) across Texas, from the Louisiana state line in the Texarkana-Shreveport area to South Texas.[7] The first 6.2-mile (10.0 km) portion was approved in 2011, with signage posted December 6, 2011.


Primary Interstate Highways[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
I-2 46.8[8] 75.3 US 83 west of Palmview I-69E/US 77/US 83 in Harlingen 2013[8] current Intersects I-69C in Pharr[9][10][11]
I-10 877.455[12] 1,412.127 I-10/US 85/US 180 at New Mexico state line in Anthony I-10/US 90 at Louisiana state line in Orange 1959[12] current Intersects I-110 in El Paso;[13] I-20 between Kent and Balmorhea;[14][15] I-35, I-37, and I-410 in San Antonio;[16] and I-45, I-610 and future I-69 in Houston[17]
I-20 634.723[18] 1,021.488 I-10 between Kent and Toyah I-20 at Louisiana state line east of Waskom 1959[18] current Intersects I-30, I-35W, and I-820 in Fort Worth;[19] I-35E, I-45, and I-635 in Dallas;[20] and future I-369 in Marshall[21]
I-27 124.182[22] 199.852 US 87/Loop 289 in Lubbock I‑40/US 60/US 87/US 287 in Amarillo 1968[22] current
I-30 223.404[23] 359.534 I-20 in Fort Worth I-30/US 59/US 71 at Arkansas state line in Texarkana 1959[23] current Intersects I-35W and I-820 in Fort Worth;[19] I-35E, I-45, I-345, and I-635 in Dallas;[20] and I-369 in Texarkana[24]
I-35 407.195[25] 655.317 Fed. 85 at Juárez–Lincoln International Bridge in Laredo
I-35E & I-35W in Hillsboro
I-35E & I-35W in Denton
I-35/US 77 at Oklahoma state line north of Gainesville
1959[25] current Intersects I-69W in Laredo[26] then I-10, I-37, and I-410 in San Antonio[16][27] before branching at Hillsboro into I-35E and I-35W[28] through Dallas and Fort Worth reuniting in Denton[29]
I-35E 96.657[30] 155.554 I-35 & I-35W in Hillsboro I-35 & I-35W in Denton 1959[30] current Eastern branch of I-35 through Dallas where it intersects I-20, I-30, and I-635[20][31]
I-35W 85.283[32] 137.250 I-35 & I-35E in Hillsboro I-35 & I-35E in Denton 1959[32] current Western branch of I-35 through Fort Worth where it intersects I-20, I-30, and I-820[19]
I-37 142.787[33] 229.793 US 181/SH 35 in Corpus Christi I-35/US 281 in San Antonio 1959[33] current Intersects I-69E in Corpus Christi;[34] future I-69W east of George West; and both I-10 and I-410 in San Antonio[16][27]
I-40 177.139[35] 285.078 I-40 at New Mexico state line in Glenrio I-40 at Oklahoma state line east of Shamrock 1959[35] current Intersects I-27 in Amarillo[36]
I-44 15.398[37] 24.781 US 277/US 281/US 287 in Wichita Falls I-44/US 277/US 281 at Oklahoma state line north of Burkburnett 1982[37] current
I-45 284.913[38] 458.523 SH 87 in Galveston I-30, I-345, US 67 in Dallas 1959[38] current Intersects I-10, I-610, and future I-69 in Houston[17] and I-20 in Dallas[20]
I-49 0 0 I-49/US 59/US 71 at Arkansas state line north of Texarkana I-49 at Arkansas state line north of Texarkana proposed Links two Arkansas I-49 segments; it will intersect future I-369 north of Texarkana[39]
I-69 63[40] 101 US 59 in Rosenberg
I-610/US 59 in Houston
I-610/US 59 in Houston
US 59 north of Splendora
2011[40][41] current The future I-69 will extend from I-69E/I-69W merger south of Victoria along US 59 to Tenaha intersecting I-369 before following US 84 to I-69 at Louisiana state line; it will intersect I-10 and I-45 in Houston[42]
I-69C 18[43] 29 I-2/US 83/US 281 in Pharr US 281/FM 2812 in Edinburg 2013[43] current The future I-69C will follow US 281 ending at I-69W in George West[42]
I-69E 61.1[44] 98.3 Fed. 101/Fed. 180 at Veterans International Bridge in Brownsville
US 77/SH 44 in Robstown
US 77/Bus. US 77 in Raymondville
I-37/US 77 in Corpus Christi
2013[44] current The future I-69E will follow US 77 to I-69/I-69W south of Victoria[42]
I-69W 1.4[45] 2.3 Fed. 85D at World Trade International Bridge in Laredo I-35/US 59/US 83/Loop 20 in Laredo 2014[45] current The future I-69W will follow US 59 to I-69/I-69E south of Victoria intersecting I-69C in George West and I-37 east of George West[42]
  •       Future


Auxiliary Interstate Highways[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
I-110 0.891[46] 1.434 Fed. 45 at Bridge of the Americas in El Paso I-10/US 54/US 180 in El Paso 1967[46] current Partially along US 54[13]
I-345 1.400[47] 2.253 I-30/I-45/US 67 in Dallas US 75/Spur 366 in Dallas 1964[47] current
I-369 3.5[48] 5.6 US 59/SH 93/Loop 151 in Texarkana I-30/US 59 in Texarkana 2013[48] current Proposed extension along US 59 to I-69 in Tenaha; intersects I-20 and future I-49[21]
I-410 49.488[49] 79.643 Beltway around San Antonio 1959[49] current Intersects I-10, I-35, and I-37[16][27]
I-610 37.972[50] 61.110 Beltway around Houston 1959[50] current Intersects I-10, I-45, and I-69[17]
I-635 36.999[51] 59.544 I-20 in Balch Springs SH 121 in Grapevine 1959[51] current Partial Dallas beltway; intersects I-30, and I-35E[20][31]
I-820 35.173[52] 56.605 I-20 in Fort Worth I-20/US 287 in Fort Worth 1959[52] current Partial Fort Worth beltway; intersects I-30 and I-35W[19]


Business Interstate Highways[edit]

Number Length (mi)[a] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
BL I-10 2.747[53] 4.421 I-10 in Sierra Blanca I-10 in Sierra Blanca 1990[53] current Formerly Loop 416 signed as Bus. US 80[54]
BL I-10 2.881[55] 4.637 I-10 in Van Horn I-10 in Van Horn 1990[55] current Formerly Loop 519 signed as Bus. US 80[56]
BL I-10 2.000[57] 3.219 I-10/FM 2903 north of Balmorhea I-10/SH 17 east of Balmorhea 1991[57] current Formerly part of US 290 and FM 2903[57]
BL I-10 1.398[58] 2.250 I-10/US 67 in Fort Stockton I-10/US 67/US 385 in Fort Stockton 1991[58] current Formerly part of US 290[58]
BL I-20 14.042[59] 22.598 I-20 west of Pecos I-20 east of Barstow 1991[59] current Formerly part of US 80[59]
BL I-20 8.223[60] 13.234 I-20 west of Monahans I-20 in Monahans 1991[60] current Formerly part of US 80[60]
BL I-20 31.761[61] 51.114 I-20 in West Odessa I-20 east of Midland 1991[61] current Formerly part of US 80[61]
BL I-20 4.687[62] 7.543 I-20 west of Stanton I-20 east of Stanton 1995[62] current Formerly Loop 214 preceded by US 80[63]
BL I-20 5.609[64] 9.027 I-20 west of Big Spring I-20 in Big Spring 1990[64] current Formerly Loop 402 signed as Bus. US 80[65]
BL I-20 1.069[66] 1.720 I-20/FM 670 west of Westbrook I-20 in Westbrook 1990[66] current Formerly Loop 333 preceded by US 80[67]
BL I-20 5.926[68] 9.537 I-20 west of Colorado City I-20 east of Colorado City 1990[68] current Formerly Loop 377 signed as Bus. US 80[69]
BL I-20 1.633[70] 2.628 I-20 west of Loraine, Texas I-20 in Loraine 1990[70] current Formerly Loop 316 preceded by US 80[71]
BS I-20 1.644[72] 2.646 I-20 west of Roscoe Bus. US 84/FM 608 in Roscoe 1990[72] current Formerly Loop 237 preceded by US 80[73]
BL I-20 6.448[74] 10.377 I-20/US 84 west of Sweetwater I-20/US 84/SH 70 in Sweetwater 1990[74] current Formerly Loop 432 signed as Bus. US 80[75]
BL I-20 2.076[76] 3.341 I-20/US 84 west of Trent I-20/US 84 east of Trent 1990[76] current Formerly Loop 319 preceded by US 80[77]
BL I-20 2.786[78] 4.484 I-20/US 84 west of Merkel, Texas I-20/US 84/FM 1235 east of Merkel 1990[78] current Formerly Loop 39 preceded by US 80[79]
BL I-20 1.661[80] 2.673 I-20/US 84 in Tye I-20/US 84 in Tye 1990[80] current Formerly Loop 320 preceded by US 80[81]
BL I-20 8.466[82] 13.625 I-20/US 84 in Tye I-20 in Abilene 1990[82] current Formerly Loop 355 signed as Bus. US 80[83]
BL I-20 2.826[84] 4.548 I-20/FM 2047 west of Baird I-20 east of Baird 1990[84] current Formerly Loop 425 preceded by US 80[85]
BL I-27 1.168[86] 1.880 I-27/US 87 in Hale Center I-27/US 87 in Hale Center 2002[86] current
BL I-27 9.282[87] 14.938 I-27/US 87 south of Plainview I-27/US 87 in Plainview 1990[87] current Formerly Loop 445 signed as Bus. US 87[88]
BL I-35 3.400[89] 5.472 Fed. 85 at Gateway to the Americas International Bridge in Laredo I-35/US 83 in Laredo 1991[89] current Segment formerly Bus. US 83 and Loop 420 preceded by US 81/US 83[90][91]
BL I-35 1.222[92] 1.967 I-35 south of Encinal I-35/SH 44 north of Encinal 1990[92] current Formerly Loop 532 signed as Bus. US 81[93]
BL I-35 2.872[94] 4.622 I-35 south of Cotulla I-35 in Cotulla 1991[94] current Formerly part of US 81[94]
BL I-35 4.147[95] 6.674 I-35 south of Dilley I-35 north of Dilley 1991[95] current Formerly part of US 81[95]
BL I-35 5.449[96] 8.769 I-35/FM 1581 in Pearsall I-35 north of Pearsall 1991[96] current Segment formerly part of US 81[96]
BL I-35 4.488[97] 7.223 I-35 in New Braunfels I-35 in New Braunfels 1991[97] current Formerly part of US 81[97]
BL I-35 1.461[98] 2.351 I-35 in Kyle I-35 in Kyle 1990[98] current Formerly part of US 81[98]
BL I-35 3.648[99] 5.871 I-35 in Round Rock I-35/FM 3406 in Round Rock 1990[99] 2013[99] Formerly Loop 384 signed as Bus. US 81;[100] segment now Spur 379[101]
BL I-35 5.1[102] 8.2 I-35 in Georgetown I-35 in Georgetown 1990[102] 2006[102] Formerly Loop 418 signed as Bus. US 81;[103] segments now Spur 26 and Spur 158[102]
BL I-35 2.288[104] 3.682 I-35W in Alvarado I-35W in Alvarado 1990[104] current Formerly Loop 392 signed as Bus. US 81[105]
BL I-35 1.883[106] 3.030 I-35 in Sanger I-35 in Sanger 1991[106] current Formerly Spur 138; a portion preceded by part of US 77[107]
BL I-40 0.779[108] 1.254 Historic US 66 at New Mexico state line in Glenrio I-40 east of Glenrio 1990[108] current Formerly Spur 504; segment preceded by part of US 66[109]
BL I-40 2.369[110] 3.813 I-40 west of Adrian I-40 east of Adrian 1990[110] current Formerly Loop 550[111] preceded by part of US 66[112]
BL I-40 3.395[113] 5.464 I-40 west of Vega I-40 east of Vega 1990[113] current Formerly Loop 551[114] preceded by part of US 66[115]
BL I-40 14.125[116] 22.732 I-40 west of Amarillo I-40 east of Amarillo 1990[116] current Formerly Loop 552 preceded by part of US 66[117]
BL I-40 3.533[118] 5.686 I-40 west of Groom I-40 east of Groom 1990[118] current Formerly Loop 554 preceded by part of US 66[119]
BL I-40 3.796[120] 6.109 I-40 west of McLean I-40 east of McLean 1990[120] current Formerly Loop 555 preceded by part of US 66[121]
BL I-40 2.770[122] 4.458 I-40 west of Shamrock I-40 east of Shamrock 1993[122] current Formerly Loop 556 preceded by part of US 66[123]
BL I-45 6.367[124] 10.247 I-45 in Corsicana I-45/US 287 north of Corsicana 1990[124] current Formerly Loop 564 preceded by part of US 75[125]
BL I-45 4.512[126] 7.261 I-45 in Ennis I-45 in Ennis 1990[126] current Formerly Loop 563 preceded by part of US 75[127]
BL I-45 2.330[128] 3.750 I-45 in Palmer I-45 north of Palmer 1990[128] current Formerly Loop 562 preceded by part of US 75[129]
BL I-45 3.367[130] 5.419 I-45 south of Ferris I-45 north of Ferris 1990[130] current Formerly Loop 560 preceded by part of US 75[131]
  •       Former

See also[edit]

Notes[edit]

  1. ^ Official route lengths do not include segments that run concurrently with other highways of greater hierarchy

References[edit]

  1. ^ McNichol, Dan (2006). The Roads that Built America. New York: Sterling. p. 106. ISBN 1-4027-3468-9. 
  2. ^ Staff. "Interstate Frequently Asked Questions". Federal Highway Administration. Retrieved February 25, 2008. 
  3. ^ Staff. "TxDOT History: 1970 to 1951". Texas Department of Transportation. Retrieved February 25, 2008. 
  4. ^ Beaumont, Penny; Brinkmann, Rhonda; Ellis, David; Pourteau, Chris; Webb, Brandon V. "From Anywhere to Everywhere: The Development of the Interstate Highway System in Texas" (PDF). Texas Transportation Institute. p. 30. Archived from the original on May 6, 2008. Retrieved February 25, 2008. 
  5. ^ Staff. "TxDOT History: 2000 to 1971". Texas Department of Transportation. Retrieved February 25, 2008. 
  6. ^ Staff. "I-69/TTC (Northeast Texas to Mexico)". Texas Department of Transportation. Archived from the original on July 20, 2008. Retrieved February 24, 2008. 
  7. ^ Staff (February 9, 2008). TTC Tier 1 EIS Meeting Handout. Texas Department of Transportation. 
  8. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 2". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  9. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 351. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/351.pdf. Retrieved December 2, 2014.
  10. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 381. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/381.pdf. Retrieved December 2, 2014.
  11. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 411. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/411.pdf. Retrieved December 2, 2014.
  12. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 10". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  13. ^ a b Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 6. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/6.pdf. Retrieved December 2, 2014.
  14. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 30. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/30.pdf. Retrieved December 2, 2014.
  15. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 40. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/40.pdf. Retrieved December 2, 2014.
  16. ^ a b c d Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 339. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/339.pdf. Retrieved December 2, 2014.
  17. ^ a b c Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 497. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/497.pdf. Retrieved December 2, 2014.
  18. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 20". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  19. ^ a b c d Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 387. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/387.pdf. Retrieved December 2, 2014.
  20. ^ a b c d e Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 417. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/417.pdf. Retrieved December 2, 2014.
  21. ^ a b Staff (May 30, 2013). "Interstate 69 Comes to Texarkana and the Valley" (Press release). Alliance for I-69 Texas. Retrieved May 31, 2013. 
  22. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 27". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  23. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 30". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  24. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 521. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/521.pdf. Retrieved December 2, 2014.
  25. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 35". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  26. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 287. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/287.pdf. Retrieved December 2, 2014.
  27. ^ a b c Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 340. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/340.pdf. Retrieved December 2, 2014.
  28. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 420. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/420.pdf. Retrieved December 2, 2014.
  29. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 385. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/385.pdf. Retrieved December 2, 2014.
  30. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 35-E". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  31. ^ a b Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 416. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/416.pdf. Retrieved December 2, 2014.
  32. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 35-W". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  33. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 37". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  34. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 405. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/405.pdf. Retrieved December 2, 2014.
  35. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 40". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  36. ^ Texas Department of Transportation (2014) (PDF). Texas County Map Book (Map). 1:120,000. Cartography by Transportation Planning and Programming Division (2014 ed.). p. 119. http://www.dot.state.tx.us/apps-cg/grid_search/_includes/countymapbook/Pages/119.pdf. Retrieved December 2, 2014.
  37. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 44". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  38. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 45". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  39. ^ Arkansas State Highway and Transportation Department (PDF). 2012 Highway Map of Arkansas (Map). Cartography by Planning and Research Division. Section H2. http://www.arkansashighways.com/planning_research/mapping_graphics/State_Highway_Map_State_Side_2012.PDF. Retrieved December 3, 2014.
  40. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 69". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  41. ^ Brezosky, Lynn (December 6, 2011). "Coastal Bend, Valley Unveil First Stretch of Interstate 69". San Antonio Express-News. Retrieved December 10, 2011. 
  42. ^ a b c d Texas Department of Transportation (March 1, 2013) (PDF). Status of I-69 Designation in Texas (Map). http://www.i69texasalliance.com/ResourcesPDFs/4.%20i69%20Status%20of%20Texas%20Designations.pdf. Retrieved December 4, 2014.
  43. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 69-C". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  44. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 69-E". Highway Designation Files. Texas Department of Transportation. Retrieved December 3, 2014. 
  45. ^ a b "Minutes of the regular meeting of the Texas Transportation Commission" (PDF). Texas Department of Transportation. June 26, 2014. p. 4. Retrieved December 3, 2014. 
  46. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 110". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  47. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 345". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  48. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 369". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  49. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 410". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  50. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 610". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  51. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 635". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  52. ^ a b Transportation Planning and Programming Division. "Interstate Highway No. 820". Highway Designation Files. Texas Department of Transportation. Retrieved December 4, 2014. 
  53. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 10-C". Highway Designation Files. Texas Department of Transportation. Retrieved November 26, 2014. 
  54. ^ Transportation Planning and Programming Division. "State Highway Loop No. 416". Highway Designation Files. Texas Department of Transportation. Retrieved November 26, 2014. 
  55. ^ a b Transportation Planning and Programming Division. "Business Interstate Highway No. 10-D". Highway Designation Files. Texas Department of Transportation. Retrieved November 26, 2014. 
  56. ^ Transportation Planning and Programming Division. "State Highway Loop No. 519". Highway Designation Files. Texas Department of Transportation. Retrieved November 26, 2014. 
  57. ^ a b c Transportation Planning and Programming Division. "Business Interstate Highway No. 10-F". Highway Designation Files. Texas Department of Transportation. Retrieved November 26, 2014. 
  58. ^ a b c Transportation Planning and Programming Division. "Business Interstate Highway No. 10-G". Highway Designation Files. Texas Department of Transportation. Retrieved November 26, 2014. 
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  83. ^ Transportation Planning and Programming Division. "State Highway Loop No. 355". Highway Designation Files. Texas Department of Transportation. Retrieved November 27, 2014. 
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  85. ^ Transportation Planning and Programming Division. "State Highway Loop No. 425". Highway Designation Files. Texas Department of Transportation. Retrieved November 27, 2014. 
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  90. ^ Transportation Planning and Programming Division. "Business U.S. Highway No. 83-K". Highway Designation Files. Texas Department of Transportation. Retrieved November 27, 2014. 
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  93. ^ Transportation Planning and Programming Division. "State Highway Loop No. 532". Highway Designation Files. Texas Department of Transportation. Retrieved November 27, 2014. 
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