Texas State Highway 75

State Highway 75 (SH 75) is a 132.63-mile-long (213.45 km) state highway in the U.S. state of Texas. It follows the former routing of U.S. Route 75 (US 75), which was supplanted by Interstate 45 south of Dallas, except in Dallas, where the former US 75 is now SH 310, and through Ferris, Palmer, Ennis, and Corsicana, where the old highway is signed as a business route of I-45. The route was designated in 1987.

State Highway 75
Route information
Maintained by TxDOT
Length132.63 mi[1] (213.45 km)
Major junctions
South end Loop 336 in Conroe
  I-45 / FM 1791 in Huntsville
US 190 in Madisonville
US 79 in Buffalo
US 84 in Fairfield
North end FM 246 near Streetman
Highway system
SH 74SH 75A

Route description

The southern terminus of the route is in Conroe, where it merges into Interstate 45 at the southern side of Loop 336.[2] The northern terminus is approximately three miles north of Streetman, in the southern section of Navarro County, where it becomes the east side frontage road for I-45.[3]

Previous routes

SH 75 was previously designated on August 21, 1923 to replace SH 13A from Goodnight east to the Oklahoma border.[4] On May 19, 1924, the section from Goodnight to Jericho was cancelled.[5] SH 75 was instead extended west to Washburn. By 1927 it was running concurrently with the newly designated U.S. Highway 66, and was cancelled on September 26, 1939. The current route was designated on January 28, 1987, replacing part of US 75 which was decommissioned south of Dallas.

North of Dallas, US 75 was rerouted onto Central Expressway, one of the first expressway projects in the United States, in the 1950s. Its original route from Richardson to Howe (south of Sherman) was redesignated as State Highway 5.

Junction list

MontgomeryConroe I-45 / Loop 336 Houston, Dallas
FM 2854 west Montgomery
SH 105 Montgomery, Cleveland
Loop 336
FM 3083 Montgomery County Airport
FM 830 Lake Conroe
Willis FM 2432 east
FM 1097 west Lake ConroeSouth end of FM 1097 overlap
FM 1097 eastNorth end of FM 1097 overlap
WalkerNew Waverly FM 1375 west
SH 150 east ShepherdSouth end of SH 150 overlap
SH 150 westNorth end of SH 150 overlap
FM 2793 south
FM 2296 north
PR 40 Huntsville State Park
Huntsville SH 19 Trinity
FM 1374 south
US 190 east / SH 30 east LivingstonSouth end of US 190/SH 30 overlap
US 190 west / SH 30 west Madisonville, College StationNorth end of US 190/SH 30 overlap
FM 2821 east
I-45 / FM 1791 south
FM 1696 west BediasSouth end of FM 1696 overlap
FM 1696 eastNorth end of FM 1696 overlap
Madison Spur 67 east
Spur 104 north
Madisonville SH 90 south Navasota
US 190 / SH 21 Bryan, Crockett
SH OSR Normangee, Midway
LeonLeona FM 977 Flynn
Centerville SH 7 Marquez, Crockett
FM 1618 east
FM 831 north Oakwood
FM 2539 south
Buffalo US 79 Jewett, Oakwood
SH 164 west Groesbeck
FreestoneDew SH 179 west Teague
FM 489
Fairfield US 84 Teague, Palestine
FM 2547 north
FM 833
FM 1079 east
Spur 114 west
FM 3059 east / Loop 262 west Streetman
Streetman FM 416 east Richland Chambers Reservoir
Loop 262 east Streetman
I-45 south / FM 246 Dallas, Corsicana, Houston
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. Texas Department of Transportation,
  2. Google (June 8, 2009). "Texas State Highway 75" (Map). Google Maps. Google. Retrieved June 8, 2009.
  3. Google (June 8, 2009). "Texas State Highway 75" (Map). Google Maps. Google. Retrieved June 8, 2009.
  4. (PDF) https://publicdocs.txdot.gov/minord/MinuteOrderDocLib/003676878.pdf. Missing or empty |title= (help)
  5. (PDF) https://publicdocs.txdot.gov/minord/MinuteOrderDocLib/003676887.pdf. Missing or empty |title= (help)
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