Route information | ||||
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Maintained by TxDOT | ||||
Existed | 1987–present | |||
Major junctions | ||||
South end | I-69 / US 59 | |||
North end | US 90 Alt. in Sugar Land | |||
Location | ||||
Country | United States | |||
State | Texas | |||
Highway system | ||||
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State Highway 312 (SH 312) is a proposed state highway from US Highway 90 Alternate (Alt. US 90) just west of SH 6 south to Interstate 69/U.S. Highway 59 (I-69/US 59). The highway was originally designated in 1986 as SH 362, and was renumbered as SH 312 in 1987. As of 2020[update], the highway has yet to be built.
The original SH 312 was designated on March 21, 1939, from Karnes City southwest to the Atascosa–Karnes county line.[2] On September 26, 1939, this became part of SH 80.