State Route 50 (Tennessee)
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| Route information | ||||
| Maintained by TDOT | ||||
| Length: | 161.3 mi (259.6 km) | |||
| Major junctions | ||||
| West end: |
 I-40 near Only
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| East end: |
  SR 56 / SR 108 in Altamont
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| Location | ||||
| Counties: | Hickman, Maury, Marshall, Moore, Franklin, Coffee, Grundy | |||
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State Route 50 (SR 50) is a west–to–east highway in Middle Tennessee. The road begins near Only and ends in Altamont. The current length is 161.3 miles (259.6 km).
SR 50 begins as a 2-lane secondary highway in Hickman County at exit 148 on I-40 near Only as a continuation of County Road 920 (CR 920, Duck River Road); SR 50 and CR 920 run concurrently for a short distance. SR 50 travels southeast and crosses a bridge over the Duck River to enter Only and have its first intersection with SR 229, which follows SR 50's former alignment through the community. SR 50 then passes through wooded areas as it bypasses Only to the south before having an intersection with SR 229, where it splits from SR 50's former alignment to go south to the Turney Center Industrial Complex. SR 50 continues east to cross the Duck River again before paralleling it and having an intersection with SR 438. The highway then has two more crossings of the Duck river before passing near Grinder's Switch and entering Centerville. SR 50 then passes south of downtown as it then comes to an intersection with SR 48 and SR 100, where it becomes a primary highway as it turns south to have a short concurrency with them before leaving Centerville and continuing east, still paralleling the Duck River. for a short distance. The highway then passes south of Littlelot, where it has an intersection with SR 230 shortly before another bridge over the Duck River, an interchange with the Natchez Trace Parkway, and crossing into Maury County.
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