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Tennessee State Route 75

Route map:
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State Route 75 marker
State Route 75
Map
SR 75 mainline in red
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
North end SR 126 in Blountville
Location
CountryUnited States
StateTennessee
CountiesWashington, Sullivan
Highway system
I-75 US 76

State Route 75 (SR 75) is a 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

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Washington County

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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

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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.

History

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The current SR 75 is the third state highway in Tennessee to bear this numbering. The first alignment was one of the original state highways established on October 1, 1923, and ran between Springfield to the Kentucky line along what is now US 31W.[3] In 1925 or 1926, this route was truncated by part of SR 79, and completed renumbered as part of SR 49 and SR 52 in 1927 or 1928 Around the same time, the second SR 75 was established between the North Carolina line near the Sevier-Cocke County line and US 25/70 in Newport. This route was renumbered as part of SR 32 in 1939 or 1940. The present-day SR 75 was established between 1964 and 1969, as a renumbering of part of SR 37 between US 23 in Gray and SR 126 in Blountville. On July 1, 1983, SR 75 was extended south to US 11E/321 in Limestoneon Gray Station Road as part of a statewide takeover and renumbering of roads that year. Signs were posted the following year.[4]

In May 2000, the Gray Fossil Site was discovered by TDOT construction crews along SR 75 near the Gray Community. This site consists of fossils from the early Pliocene era that are between 4.5 and 4.9 million years old. A museum on the site opened in 2007.[5]

Future

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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.[6]

Junction list

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CountyLocationmikmDestinationsNotes
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
Interchange
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

References

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KML is not from Wikidata
  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. ^ "East Tennessee Construction Report for September 19-25, 2013 | TN.gov Newsroom". Archived from the original on 2013-11-05. Retrieved 2013-11-04.
  3. ^ 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.
  4. ^ Basconi, Mary Alice (October 14, 1984). "Road-sign plan under way in area". Johnson City Press-Chronicle. p. 4. Retrieved May 11, 2023 – via Newspapers.com.
  5. ^ Clark, G. Michael; Kohl, Martin; Moore, Harry L.; Sasowsky, Ira D. (April 26, 2012). "The Gray Fossil Site: A Spectacular Example in Tennessee of Ancient Regolith Occurrences in Carbonate Terranes, Valley and Ridge Subprovince, Southern Appalachians U.S.A.". Sinkholes and the Engineering and Environmental Impacts of Karst. American Society of Civil Engineers. pp. 82–90. doi:10.1061/40796(177)10. ISBN 978-0-7844-0796-7. Retrieved November 25, 2022.
  6. ^ Road to Tri-Cities Airport now Four lanes
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