Interstate 275 (Tennessee)

Interstate 275 (I-275) is an Interstate Highway in Tennessee that serves Knoxville by connecting the downtown with I-75/I-640/US 25W. Measuring 2.98 miles (4.80 km) in length,[1] the northern terminus is the junction with I-75/I-640/US 25W and the southern terminus is I-40.

Interstate 275
I-275 highlighted in red
Route information
Auxiliary route of I-75
Maintained by TDOT
Length2.98 mi (4.80 km)
Existed1982–present
History1958 (as a part of I-75)
Major junctions
South end I-40 in Knoxville
North end I-75 / I-640 / US 25W in Knoxville
Location
CountiesKnox
Highway system
← SR 274SR 275 →

Route description

History

Originally constructed in 1958 as I-75, this was renumbered as I-275 in early 1982.[2] Its renumbering became necessary when I-75 was re-routed onto I-640 to divert traffic from the downtown area; the remnant was designated as I-275.

In 2007, the existing cloverleaf exits (1A–B, 1C–D, 2A–B) were replaced with traditional diamond interchanges to add a continuous third lane in each direction. This was done to handle increased traffic flow for the shutdown of I-40 in downtown Knoxville that took place on May 1, 2008.[3] I-275 was the designated detour route for I-75 northbound traffic during the I-40 shutdown to avoid traffic congestion at the I-75/I-640/US 25W/I-275 junction as the ramp for I-75 northbound from I-640 eastbound is only one lane.

Exit list

The entire route is in Knoxville, Knox County.

mikmExitDestinationsNotes
0.000.000B I-40 west to I-75 south – Nashville, ChattanoogaSouthbound beyond the 275/40 interchange exit ramps are for Henley St. (US 441) & Western Ave./Summit Hill Dr. (TN 62); I-40 exit 387A
0.000.000A I-40 east / US 441 south – AshevilleContinues as Henley St. (US 441) southbound beyond this exit and the following exit to TN 62 (Western Ave./Summit Hill Dr.); I-40 exit 388 eastbound; southern terminus
0.681.091ABaxter AvenueFormerly exits 1A-B
1.041.671BWest Woodland Avenue, West Oldham AvenueFormerly exits 1C-D
2.233.592Central Street, Heiskell AvenueFormerly exits 2A-B
2.974.783 I-75 south / I-640 / US 25W – Clinton, AshevilleNorthbound exit and southbound entrance
3.355.39— I-75 north – LexingtonNorthbound exit and southbound entrance; northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
  1. "Interstate 275 - Tennessee". Interstate Guide. Retrieved 5 October 2014.
  2. Jacobs, Don (November 28, 2006). "Work begins today on $20M update for Interstate 275". The Knoxville News-Sentinel. p. 7B.
  3. I-275/I-640 Improvements (TDOT)

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