I-440 (TN)
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| Four-Forty Parkway | ||||
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| Route information | ||||
| Maintained by TDOT | ||||
| Length: | 7.64 mi (12.30 km) | |||
| Existed: | 1987 – present | |||
| Major junctions | ||||
| West end: |
 I-40 in Nashville
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 I-65 in Nashville
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| East end: |
 I-24 / I-40 in Nashville
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| Location | ||||
| Counties: | Davidson | |||
| Highway system | ||||
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Interstate 440 (abbreviated I-440 and known locally as the Four-Forty Parkway) in Tennessee is a 7.64-mile-long (12.30 km) loop which connects I-24, I-40, and I-65, while bypassing downtown Nashville to the south.
West of downtown Nashville, I-440 heads south from I-40 and goes on to meet U.S. Route 70S before turning due east. I-440 then intersects U.S. Route 431 and later, I-65 south of downtown Nashville. I-440 then turns northeast and meets with U.S. Route 31A/U.S. Route 41A before terminating at I–24, west of the Nashville International Airport.
The section between I-24 and I-65 was completed in 1986, and the section between I-65 and I-40 was completed in 1987. It was the most expensive road, per mile, built in Tennessee at the time. The interstate is one of the most congested rush-hour highways in the state, with three lanes in each direction, a speed limit set at 55 mph, and an AADT of 106,219.
The entire route is in Nashville, Davidson County.
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Wikipedia