Route information | ||||
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Maintained by TxDOT | ||||
Length | 149.813 mi[1] (241.101 km) | |||
Existed | 1919–present | |||
Major junctions | ||||
West end | ![]() | |||
East end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Texas | |||
Counties | McLennan, Hill, Navarro, Henderson, Smith, Gregg | |||
Highway system | ||||
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State Highway 31 (SH 31) runs from U.S. 84 northeast of Waco via Corsicana, Athens, Tyler, Kilgore to U.S. 80 in Longview.