Tennessee State Route 12
|Length:||62.46 mi (100.52 km)|
|south end:||US-31 / US-41 / US-431 / SR-6 / SR-11 (James Robertson Parkway) in Nashville|
| US-41A (Clarksville Pike) in Nashville
SR-155 (Briley Parkway) in Nashville
US-41A Byp. in Clarksville
|north end:||US 41A at the Kentucky State Line|
State Route 12 passes through the city of Nashville while concurrent to U.S. Route 41A. After it splits off it goes through the town of Ashland City before merging with the U.S. Route 41A Bypass bypass in Clarksville, Tennessee. It continues out of Clarksville concurrent to U.S. Route 41A, and State Route 12 ends at the Kentucky state line.
State Route 455
|Length:||1.91 mi (3.07 km)|
State Route 455, the Tennessee Waltz Parkway, is a short bypass around Ashland City in Cheatham County. The general routing is southeast-northwest. SR 455 is less than 2 miles (3.2 km) in length. The route is a continuation of a bypass from State Route 12 to State Route 49 which runs by the A.O. Smith water heater factory to a point just north of the Cumberland River bridge which is not designated a state route. State Route 455 has its origins in a 1997 referendum in which the voters of Ashland City authorized a 1/2 cent sales tax increase with proceeds going to build and maintain a continuation of the bypass back around to Route 12. The road was finally completed in 2005.
- DeLorme. Tennessee Atlas & Gazetteer (Map) (2004 ed.).
- TDOT Region 3 Pavement Condition Data
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