Interstate 345

Interstate 345 (I-345) 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.

Not to be confused with Texas State Highway 345.
This article is about the section of Central Expressway in Dallas, Texas. For the entire route, see Central Expressway (Dallas).

Interstate 345

Central Dallas with I-345 highlighted in red
Route information
Auxiliary route of I-45
Maintained by TxDOT
Length1.4 mi (2.3 km)
ExistedAugust 23, 1973 (1973-08-23)–present
NHSEntire route
Major junctions
South end I-30 / I-45 in Dallas
North end US 75 / Spur 366 in Dallas
Location
CountryUnited States
StateTexas
CountiesDallas
Highway system
← SH 344→ SH 345
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