Interstate 81 in Tennessee Article

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Interstate 81 marker

Interstate 81
I-81 highlighted in red
Route information
Maintained by TDOT
Length75.66 mi [1] (121.76 km)
Major junctions
South end I-40 near Dandridge
North end I-81 at Bristol
Counties Jefferson, Hamblen, Greene, Washington, Sullivan
Highway system
SR 80 SR 81

Interstate 81 (I-81) is an 855-mile (1,376 km) long expressway stretching from Dandridge, Tennessee northward to the Thousand Islands Bridge at the Canada–US border near Fishers Landing, New York. In Tennessee, I-81 travels 75.66 miles (121.76 km) from its southern terminus at I-40 in Dandridge to the Virginia state line in Bristol.

Route description

I-81 northbound at the SR 394 exit in Blountville

Interstate 81 begins in Tennessee at Interstate 40 in Dandridge. I-81 parallels the Appalachian Mountains for most of Tennessee and Virginia. At mile marker 8, I-81 meets U.S. Route 25E south of Morristown. I-81 doesn't go through either Johnson City or Kingsport; but at mile marker 57, I-81 meets Interstate 26 and U.S. Route 23 which go to Kingsport and Johnson City. At mile marker 75, I-81 leaves Tennessee and enters Virginia.

Auxiliary routes in Tennessee

Interstate City Type Notes
I-181.svg Interstate 181 Johnson City and Kingsport Former spur Was renumbered as Interstate 26 by March, 2007


Construction on I-81 in Tennessee began in the 1960s. [2] The contracts for most sections of the route were awarded in 1969 and 1970. [3] By December 1974, the entirety of the route was open to traffic, and most was completed. [4] The final section in Tennessee was completed in August 1975. [5]

Exit list

Jefferson Dandridge0.000.001 I-40 – Asheville, KnoxvilleSouthern terminus; I-40 exit 421; signed as left exit 1A (east) & 1B (west).
White Pine4.47.14 SR 341 (White Pine Road) – White Pine
Hamblen Morristown8.613.88 US 25E – White Pine, Morristown
12.420.012 SR 160 – Lowland, Morristown
15.324.615 SR 340 (Fish Hatchery Road)
Greene Mosheim23.137.223 US 11E – Mosheim, Greeneville, Bulls GapAccess to Tusculum College
30.248.630 SR 70 to SR 66 – Rogersville, Greeneville
Baileyton36.258.336 SR 172 (Baileyton Road) – Baileyton, Greeneville
Jearoldstown43.970.744Jearoldstown Road
Washington Fall Branch50.581.350 SR 93 to SR 81 – Fall Branch, Jonesborough
Sullivan Kingsport56.190.356Tri-Cities Crossing
57.792.957 I-26 / US 23 – Johnson City, KingsportSigned as Exits 57A (east) & 57B (west), I-26 exits 8A-B; former I-181 south
59.495.659 SR 36 (Fort Henry Drive) – Johnson City, Kingsport, Colonial Heights
63.5102.263 SR 357 south (Airport Parkway) to SR 75 – Tri-Cities Regional AirportAlso access to Northeast State Community College
66.1106.466 SR 126 (Memorial Boulevard) – Blountville, Kingsport
Blountville69.6112.069 SR 394 – Blountville, BristolAccess to Bristol Motor Speedway
Bristol74.8120.474 US 11W (West State Street) – Kingsport, BristolSigned as Exits 74A (north) & 74B (south)
75.66121.76 I-81 north – Roanoke Virginia state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also


  1. ^ "Route Log - Main Routes of the Eisenhower National System Of Interstate and Defense Highways - Table 1". Federal Highway Administration. Retrieved 4 October 2014.
  2. ^ "Where Do We Stand On The Interstate?". Kingsport Times-News. May 2, 1965.
  3. ^ "81 Moving Along:Chamber". Kingsport Times-News. May 2, 1965. Retrieved 2018-06-18.
  4. ^ "East Tennessee's Christmas Present". Kingsport Times-News. December 10, 1974. Retrieved 2018-06-18.
  5. ^ "Interstate 81 Four-Lane Opens". Kingsport Times-News. August 28, 1975.

External links

Route map:

KML is from Wikidata

Interstate 81
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