State Highway 40 or William D. Fitch Parkway, runs from Farm to Market Road 2154 (FM 2154) to SH 6 in College Station, Texas. The current SH 40 was authorized in 1994. Signage for the highway went up March 2006 and the road was officially opened June 23, 2006.
State Highway 3 is a state highway in the U.S. state of Texas that runs from Interstate 45 in Houston near William P. Hobby Airport to State Highway 146, 9.9 miles (15.9 km) northwest of Galveston. For most of its length, SH 3 parallels I-45 and runs alongside the former Galveston, Houston and Henderson Railroad lines.
State Highway 8 is a north–south state highway that runs from the Red River, the Texas-Arkansas boundary, north of New Boston to SH 155 at Linden.
State Highway 9 (SH 9) is a highway near Copperas Cove, Texas. It connects Interstate 14 (I-14), U.S. Route 190 (US 190), and U.S. Highway 190 Business outside of Copperas Cove to Farm to Market Road 116 (FM 116) on the north side of Copperas Cove. The highway opened on February 20, 2014 with a ribbon cutting at 2:00 PM.
State Highway 15 is a state highway in the U.S. state of Texas. It runs from the Oklahoma state line 6 miles (9.7 km) east of Follett to US 54 in Stratford.
State Highway 18 is a state highway in the U.S. state of Texas maintained by the Texas Department of Transportation (TxDOT) that runs from Fort Stockton in western Texas to the Texas-New Mexico state line between Kermit and Jal, New Mexico. This route was designated in 1958 over the northern half of what was previously SH 82.
State Highway 19 is a state highway in Texas runs from Huntsville to Paris in east Texas.
State Highway 21 runs from the Texas-Louisiana boundary east of San Augustine to San Marcos in east and central Texas. SH 21 mostly follows the alignment of the Old San Antonio Road and the El Camino Real, except for the portion between Midway and Bryan, where the Old San Antonio Road took a more northerly route, and SH 21 follows a more direct route. That section of the Old San Antonio Road is served by Texas State Highway OSR.
State Highway 24 runs from Campbell to Paris in north Texas. It is a portion of the main route, along with Interstate 30, from Paris to the Dallas–Fort Worth metroplex.
State Highway 13 was a state highway in the U.S. state of Texas that ran from Amarillo due west to the New Mexico border near Glenrio, Texas.
State Highway 26 (SH 26) is a Texas state highway located completely within Tarrant County. SH 26 was designated on July 2, 1917. SH 26 terminates at Texas State Highway 183 and Texas State Highway 121. SH 26 was redesignated from its original location in East Texas to its current location in Tarrant County on April 4, 1980. SH 26 was the last of the original 26 state highways proposed in 1917.
State Highway 33 is a route that runs from U.S. Highways 60 and 83 south of Canadian and travels east to the Oklahoma border, where it becomes State Highway 33.
State Highway 37 is a state highway that runs from the Oklahoma border near Albion to Mineola in the northeast corner of the state.
State Highway 43 is a Texas state highway that runs from Henderson to Atlanta.
State Highway 66 is a state highway in the U.S. state of Texas, connecting Garland to Greenville. The route runs roughly parallel to Interstate 30, passing through Rowlett, Rockwall, Fate, Royse City, and Caddo Mills. It also crosses Lake Ray Hubbard twice. It is known locally as Lakeview Parkway in Rowlett and as Avenue B in Garland.
State Highway 79 (SH 79) is a state highway in the U.S. state of Texas that runs 96.203 miles (154.824 km) from Throckmorton to the Oklahoma state line near Byers.
State Highway 171 (SH 171) is a 110.845-mile (178.388 km) southeast–northwest state highway in northeastern Texas, United States, that connects U.S. Highway 84 (US 84) in Mexia with U.S. Highway 180 (US 180) in Weatherford.
State Highway 136 is a Texas state highway that runs from the Texas–Oklahoma border south of Guymon, Oklahoma to Amarillo. The route was designated on January 23, 1929 from Amarillo to Oklahoma. On March 19, 1930, the route was truncated to Stinnett, with the portion north of Stinnett transferred to SH 117. On February 4, 1941, the section of SH 136 from the Moore/Potter County Line to Stinnett was cancelled. On September 22, 1942, the route was extended east to Borger. The highway was extended to the Oklahoma border on November 21, 1963, replacing most of FM 278 and all of FM 2216.
State Highway 214 (SH 214) is a Texas state highway that runs from Adrian to Seminole.
US 87 / US 287 in Dumas 
US 60 in Pampa 
US 83 in Wheeler 
SH-152 at the Oklahoma state line
