Tennessee State Route 45
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| State Route 45 Robinson Road Hadley Avenue Old Hickory Boulevard |
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| Route information | ||||
| Maintained by TDOT | ||||
| Length: | 17.92 mi (28.84 km) | |||
| Major junctions | ||||
| west end: |
 US 431 (Whites Creek Pike) |
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 I-24 Exit 40  US 31W / US 41 (Dickerson Pike) I-65 Exit 92 US 31E (Gallatin Pike) US 70 (Lebanon Pike) |
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| east end: |
 I-40 Exit 221 |
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| Location | ||||
| Counties: | Davidson | |||
| Highway system | ||||
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State Route 45 is a west–east route in Davidson County, Tennessee. It connects US-431 (Whites Creek Pike) in northwest Nashville with I-40 east of the city.
State Route 45 makes up much of the northern half of Nashville's Old Hickory Boulevard loop. It continues the loop from the intersection with Whites Creek Pike. Traveling parallel to Little Creek, it continues past I-24 exit 40 to its intersection with US 31W/US 41 (Dickerson Pike). After that intersection, the road becomes a four-lane divided highway. SR 45 goes south of Cedar Hill Park and past I-65 exit 92 to enter Madison. After it crosses the Cumberland River, SR 45 continues onto Robinson Road through the towns of Old Hickory and Lakewood. In Lakewood, SR 45 rejoins Old Hickory Boulevard and heads south, by The Hermitage, to the eponymous town of Hermitage. SR 45 ends at I-40 exit 221, and Old Hickory Boulevard continues south to Bell Road.
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