Texas State Highway 310

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State Highway 310
SH 310 highlighted in red
Route information
Maintained by TxDOT
Length	8.3 mi[1][2] (13.4 km)
Existed	1987–present
Major junctions
South end	I-45 in Hutchins
Major intersections	I-20 in Hutchins Loop 12 in Dallas US 175 in Dallas
North end	I-45 in Dallas
Location
Country	United States
State	Texas
Highway system
Highways in Texas Interstate US State Toll Loops Spurs FM/RM Park Rec
← SH 309 → SH 311

State Highway 310 (SH 310) is an 8.3-mile (13.4 km) north–south state highway located mostly within Dallas. It is a portion of the old route of U.S. Highway 75 (US 75) along the Central Expressway, which now ends in downtown Dallas. The road, located within Hutchins and South Dallas, has been replaced as the major through route by Interstate 45 (I-45). SH 310 is known as the South Central Expressway south of its intersection with Loop 12 and the S. M. Wright Freeway north of it.