Texas State Highway 310
From Wikipedia, the free encyclopedia
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| State Highway 310 |
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| Length: | 6.81[1] mi (10.96 km) | ||||||||
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| Formed: | 1987 | ||||||||
| North end: |  US 175 at Dallas |
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| Major junctions: |
 I 20 |
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| South end: |  I 45 at Hutchins |
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State Highway 310 (SH 310) is a short north-south state highway entirely within Dallas, Texas. It is a portion of the old route of U.S. Highway 75 along the South Central Expressway, now decommissioned south of downtown Dallas, in the southeastern part of Dallas that Interstate 45 and U.S. Highway 175 did not wholly supplant altogether. Its northern terminus is US 175; its southern termimus is Interstate 45. The northern section is a freeway to the Trinity River bridge, and a surface street from there to its southern terminus.
SH 310 north of Loop 12 (along with the northern portion of US 175 with which it connects) was co-named the S.M. Wright Freeway after a local minister. It is technically also referred to as Central Expressway, as the original US 75 was given this name. In practice, Dallasites refer to the current US 75 (the portion north of downtown) as Central Expressway and the decommissioned US 75 (the portion south of downtown) as the S.M. Wright Freeway.
Through southern Dallas, Interstate 45 (also named the Julius Schepps Freeway) has replaced Texas 310 as a through route. It is completely elevated between downtown and the Trinity River, and during freezing rain events is virtually impassable, whereupon it is closed and traffic is diverted onto Texas 310.
