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Tennessee State Route 21

Route map:
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(Redirected from SR 21 (TN))
State Route 21 marker State Route 21 marker
State Route 21
Map
SR 21; primary in red, secondary in blue
Route information
Maintained by TDOT
Length39.88 mi (64.18 km)
ExistedOctober 1, 1923[1]–present
Major junctions
West endMississippi River near Tiptonville
Major intersections SR 22 / SR 78 at Tiptonville
US 51 at Troy
US 45W in Union City
US 51 / SR 22 in Union City
SR 690 / Future I-69 in Union City
East end KY 116 / KY 239 north of Union City at the Kentucky state line
Location
CountryUnited States
StateTennessee
CountiesObion, Lake
Highway system
SR 20 SR 22

State Route 21 (SR 21) is a two lane highway that runs from the Mississippi River west of Tiptonville, Tennessee to the Kentucky state line north of Union City. This road provides access to Reelfoot Lake State Park.

Route description

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SR 21 begins as a secondary highway in rural Obion County at the Kentucky state line, at the intersection of KY 116 and KY 239. It then travels south to first a diamond interchange with SR 690 (Future I-69) and then an intersection with US 51/SR 3/SR 22 just north of Union City. It then enters Union City on North Clover Street, then turns west on East Cheatam Street, then south again on North Division Street to intersect SR 5 (East Main Street) in Downtown. It then travels concurrently with SR 5 (now along South 1st Street) to intersect US 45W/SR 184/SR 431 in southern Union City. It then travels south along US 45W/SR 5, leaving Union City and intersecting SR 216 along the way. It then separates from US 45W/S 5 near Rives, and turns west. In Troy, It intersects with US 51/SR 3 again, running concurrently for a short ways before separating and turning west again into downtown Troy. Once in town, it then intersects with SR 184 (old US 51) in the heart of Troy. It then leaves Troy, still going west, and enters Hornbeak and has an intersection with SR 183. It continues west to just south of Samburg, to intersect and run concurrently with SR 22, where it becomes a primary highway. SR 21/SR 22 then run along the shores of Reelfoot Lake and cross the Hill-Talley Bridge over the Obion River and enter Lake County.[2][3]

The highway passes by Reelfoot Lake State Park before turning west again to enter Tiptonville and they soon come to an intersection with SR 78, where SR 22 separates and follows SR 78 north while SR 21 downgrades to secondary here. It then continues into downtown to come to an intersection between Church Street and Cedar Street, where SR 22 previously separated and turned north along Cedar Street, while SR 21 continues west on Church Street to the banks of the Mississippi River, where SR 21 ends and the road continues as Tiptonville Ferry Road along the Tennessee-Obion Levee.[2][4]

Major intersections

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CountyLocationmikmDestinationsNotes
Obion0.00.0 KY 116 (State Line Road) / KY 239 (State Highway 239) – Hickman, Cayce, FultonKentucky state line; eastern terminus; road continues north as KY 239; SR 21 begins as a secondary highway
Union City2.43.9 SR 690 / Future I-69Diamond interchange; opened to traffic in February 2024[5]
US 51 / SR 22 (SR 3/Jere B. Ford Memorial Highway) – Troy, South Fulton

SR 5 north (E Main Street) – Woodland Mills
Eastern end of SR 5 concurrency
US 45W / SR 431 (SR 184/Reelfoot Avenue) – Troy, South FultonEastern end of US 45W concurrency

SR 216 east (Pleasant Hill Road) – Rives, Martin
Western terminus of SR 216

US 45W south (SR 5 south) – Kenton
Western end of US 45W/SR 5 concurrency
Troy
US 51 north (SR 3 north/Jere B. Ford Memorial Highway) – Union City
Eastern end of US 51/SR 3 concurrency; Future I-69

US 51 south (SR 3 south/Jere B. Ford Memorial Highway) – Obion, Dyersburg
Western end of US 51/SR 3 concurrency; Future I-69

SR 184 north (Main Street) – Union City
Southern terminus of SR 184; former US 51
Hornbeak
SR 183 south (S Main Street) – Obion
Northern (western) terminus of SR 183

SR 22 south (W Highway 22) – Samburg
Eastern end of SR 22 concurrency; SR 21 becomes a primary highway
Obion RiverHill-Talley Bridge over the Obion River
LakeTiptonville
SR 78 / SR 22 north (Carl Perkins Parkway/Kentucky Street) – Ridgely, Hickman, KY, Kentucky Bend
Western end of SR 22 concurrency; SR 21 downgrades to a secondary highway
Mississippi River39.8864.18Mississippi River at Tiptonville-Obion Levee; western terminus; continues as Tiptonville Ferry Road; SR 21 ends as a secondary highway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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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. ^ a b "TN-21 · Tennessee".
  3. ^ "Map of Obion County" (PDF). tn.gov. Retrieved 15 September 2023.
  4. ^ "Map of Lake County" (PDF). tn.gov. Retrieved 15 September 2023.
  5. ^ "Obion County Mayor Explains 690 Road Signage on New Project". Thunderbolt Radio. Retrieved 11 December 2023.
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