Central Dallas with I-345 highlighted in red | ||||
Route information | ||||
Auxiliary route of I-45 | ||||
Maintained by TxDOT | ||||
Length | 1.4 mi[1] (2.3 km) | |||
Existed | August 23, 1973 | –present|||
NHS | Entire route | |||
Major junctions | ||||
South end | ![]() ![]() | |||
North end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Texas | |||
Counties | Dallas | |||
Highway system | ||||
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Interstate 345 (I-345[a]) is an unsigned 1.4-mile-long (2.3 km) Auxiliary Interstate Highway in the city of Dallas within the US state of Texas. It is a freeway that connects I-45 (which ends at the interchange with I-30) with U.S. Highway 75 (US 75; North Central Expressway) at State Highway Spur 366 (Spur 366; Woodall Rodgers Freeway). Few maps actually display the road as I-345; signposts on the road show US 75 northbound, while southbound the highway is signed as I-45. In recent years, a debate over whether to maintain or decommission I-345 has received increased attention from several Dallas media outlets. TxDOT elected to maintain the freeway by lowering it below ground and removing frontage roads.
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