Tennessee State Route 75

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State Route 75

Route information
Maintained by TDOT
Length27.7 mi (44.6 km)
ExistedOctober 1, 1923[1]–present
Major junctions
South end US 11E / US 321 in Limestone
Major intersections I-26 / US 23 in Johnson City/Gray
SR 36 in Spurgeon

SR 357 to I-81 in Blountville
North end SR 126 in Blountville
CountryUnited States
CountiesWashington, Sullivan
Highway system
I-75 US 76

State Route 75 (SR 75) is state highway in Tennessee in the northeastern portion of the state. The highway begins at US 11E and US 321 in Limestone and ends at SR 126 in Blountville.[2]

Route description

Washington County

SR 75 begins as a 2-lane highway in Washington County in Limestone at an intersection with US 11E/US 321/SR 34. The highway then heads northeast through rural farmland to have an intersection with SR 81 just before passing through Sulphur Springs. SR 75 then continues to enter Gray, where it has an interchange with I-26/US 23 (Exit 13). The highway then widens to a 4-lane undivided highway and passes just southeast of downtown before leaving Gray and passing through Spurgeon, where it has an intersection with SR 36. SR 75 then crosses the South Fork Holston River into Sullivan County, just north of Boone Dam and Boone Lake.

Sullivan County

SR 75 continues northeast to pass through Boring before entering Blountville and passing by the Tri-Cities Regional Airport, where it has an interchange with SR 357. SR 75 then narrows to 2-lanes and passes rural areas of Blountville before entering downtown, where it comes to an intersection with SR 126.

The entire route of SR 75 is a secondary highway.


A widening project has been taking place on SR 75 to provide a four-lane highway from Interstate 26 in Gray to the Tri-Cities Regional Airport in Blountville. On November 1, 2013 TDOT opened all four lanes of traffic, but much work still needs to be done.[3]

Junction list

WashingtonLimestone0.00.0 US 11E / US 321 (Andrew Johnson Highway/SR 34) – Greeneville, JonesboroughSouthern terminus
SR 81 – Fall Branch, Kingsport, Jonesborough, Erwin
Johnson City I-26 / US 23 – Kingsport, Johnson CityI-26 exit 13
Spurgeon SR 36 – Colonial Heights, Kingsport, Johnson City
SullivanBlountvilleAirport Parkway – Tri-Cities Regional AirportInterchange, no southbound SR 75 access to Airport via Interchange

SR 357 north (Airport Parkway) to I-81 – Kingsport
27.744.6 SR 126 (Bristol Highway/Memorial Boulevard) – Blountville, Bristol, KingsportNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Highway Planning Survey Division (1925). Biennial Report of the Commissioner of the Department of Highways and Public Works State of Tennessee for the Years 1923 and 1924 (PDF) (Report). Nashville: Tennessee Department of Highways and Public Works. pp. 39–44. Retrieved May 19, 2023.
  2. ^ "Archived copy". Archived from the original on 2013-11-05. Retrieved 2013-11-04.{{cite web}}: CS1 maint: archived copy as title (link)
  3. ^ Road to Tri-Cities Airport now Four lanes

External links