Tennessee State Route 57
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| Route information | ||||
| Maintained by TDOT | ||||
| Length: | 109.61 mi (176.40 km) | |||
| Major junctions | ||||
| West end: |
 SR 14 in Memphis
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 I-269 in Piperton
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| East end: |
 MS 25 at Tennessee-Mississippi border |
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| Location | ||||
| Counties: | Shelby, Fayette, Hardeman, McNairy, Hardin | |||
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State Route 57 is an east–west highway that runs from Memphis to the Mississippi state line near Pickwick Dam and Pickwick Landing State Park. Except for in Shelby County and western Fayette County, SR 57 is a two lane road generally with a 55 mph (89 km/h) speed limit. The majority of the road follows the path of the Memphis and Charleston Railroad (now part of the Norfolk Southern Railway).
SR 57 starts in Memphis by going south on Trezevant Street from State Route 14 (Jackson Avenue). Trezevant St. turns into East Parkway and follows U.S. 70/U.S. 79/U.S. 64 and State Route 277. SR 57 then turns east and follows U.S. 72 along Poplar Avenue, where it starts to follow the Norfolk Southern Railway to the north. Poplar Avenue has an interchange with Interstate 240 in East Memphis and soon enters Germantown, where it is briefly overlapped with State Route 177. As the road enters Collierville, it becomes known as West Poplar Avenue (instead of Poplar Avenue). SR 57 meets Byhalia Road Mississippi Highway 309 as a crossroads. Just east of that intersection U.S. 72 diverges from SR 57 by going southeast into Mississippi, while SR 57 continues east along West Poplar Ave. SR 57 becomes a two-lane road but remains at a 40 mph (64 km/h) speed until it exits Collierville. East of the Collierville town square, it becomes East Poplar Avenue and State Route 205 (Collierville-Arlington Road) has its southern terminus at SR 57.
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