Route information | ||||
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Maintained by TxDOT | ||||
Length | 66.702 mi[1] (107.346 km) | |||
Existed | 1951[1]–present | |||
Major junctions | ||||
West end | SH 261 near Lake Buchanan | |||
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East end | I-35 in Round Rock | |||
Location | ||||
Country | United States | |||
State | Texas | |||
Counties | Llano, Burnet, Travis, Williamson | |||
Highway system | ||||
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Ranch to Market Road 1431 (RM 1431) is a 66.702-mile (107.346 km) ranch to market road in Texas, United States, that connects Austin with rural areas of Central Texas.[1]