Texas State Highway 21
State highway in Texas / From Wikipedia, the free encyclopedia
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"TX 21" redirects here. The term may also refer to Texas's 21st congressional district.
State Highway 21 (SH 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.
Quick Facts State Highway 21, Route information ...
Route information | ||||
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Maintained by TxDOT | ||||
Length | 312.50 mi[1] (502.92 km) | |||
Existed | April 4, 1917–present | |||
Major junctions | ||||
West end | I-35 at San Marcos | |||
Major intersections |
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East end | LA 6 near Milam | |||
Location | ||||
Country | United States | |||
State | Texas | |||
Counties | Hays, Caldwell, Bastrop, Lee, Burleson, Brazos, Madison, Houston, Cherokee, Nacogdoches, San Augustine, Sabine | |||
Highway system | ||||
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