Texas State Highway 312

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State Highway 312 marker

State Highway 312
Route information
Maintained by TxDOT
Existed: 1987 – present
Major junctions
South end: US 59
North end:
Alt. US 90 in Sugar Land
Highway system
SH 311 SH 313
SH 361 SH 362 SH 363

State Highway 312 or SH 312 is a proposed state highway from Alt. US 90 just west of SH 6 south to U.S. Highway 59. The route was originally designated in 1986 as State Highway 362, and was renumbered as SH 312 in 1987. As of 2006, the highway has yet to be built.


  1. ^ Transportation Planning and Programming Division (n.d.). "State Highway No. 312". Highway Designation Files. Texas Department of Transportation. Retrieved 2008-03-15.