Business routes of Interstate 20 in Texas
Along Texas Interstates, the alphabetic suffixes on business route names ascend eastward and northward.The alphabetic naming suffixes are included as small letters on the bottom of route shields.The route has major intersections with US 285, State Highway 17 (SH 17), and three Farm to Market Roads.[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, Business State Highway 158-B (Bus.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.I-20-G) is a business loop of I-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. Boulevard before veering to the northeast and joining Third Street (westbound) and Fourth Street (eastbound) the remaining distance through town.[14][15] The business loop largely follows the former route of US 80 through Big Spring before December 18, 1964, when US 80 was rerouted around town over I-20.[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 on February 27, 1958.I-20-J) is a business loop of I-20 that passes through Colorado City in Mitchell County commissioned in 1990.[20][21] The business loop follows the route of the former US 80 through Colorado City before January 14, 1963, when US 80 was rerouted along the present Interstate bypass.[24][25] The business loop follows along the route of the former US 80 through Loraine until February 26, 1957, when US 80 was rerouted along the present Interstate bypass.[28] The 1.6-mile (2.6 km) route begins at I-20 exit 235 and proceeds to the northeast before turning east along First Street in Roscoe.[28][29] 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 Loop 237 designation was dropped in favor of the current Interstate business classification on June 21, 1990.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.[31][32] The business loop follows the former path of US 80 through Sweetwater before August 4, 1966, when US 80 was relocated along the current Interstate bypass.[34][35] The route follows the former path of US 80 through Trent before US 80 was rerouted along the current Interstate bypass on April 23, 1957.[39] 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.[42] 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 South First Street past FM 3438.