Several special routes exist for U.S. Route 51.

U.S. Route 51 marker
U.S. Route 51
Location
CountryUnited States
Highway system

Ponchatoula–Hammond business route

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U.S. Highway 51 Business
LocationPonchatoulaHammond, Louisiana

McComb business route

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U.S. Highway 51 Business
LocationMcComb, Mississippi

The entire route is in McComb, Pike County.

mikmDestinationsNotes
  US 51Southern terminus
  US 51Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Crystal Springs business route

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U.S. Highway 51 Business
LocationCrystal Springs, Mississippi

The entire route is in Crystal Springs, Copiah County.

mikmDestinationsNotes
  
 
 
 
US 51 / MS 844 west to I-55 – Jackson, McComb
Southern terminus; eastern terminus of MS 844
  US 51Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Former Memphis truck route

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U.S. Route 51 Truck
LocationMemphis, Tennessee

Dyersburg business route

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U.S. Route 51 Business
LocationDyersburg, Tennessee

South Fulton–Fulton bypass route

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U.S. Route 51 Bypass
LocationSouth Fulton, TNFulton, KY
Existed1970–1989

U.S. Route 51 Bypass (US 51 Byp.) was a bypass of the downtown areas of South Fulton, Tennessee and Fulton, Kentucky. It was commissioned in 1970.[1] In 1989, mainline US 51 and US 45 were moved to the bypass, and the bypass designation was decommissioned.[2]

Decatur business route

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U.S. Route 51 Business
LocationDecatur, Illinois
Existed1978–2011

U.S. Route 51 Business (US 51 Bus.) was a business loop that ran through downtown Decatur, Illinois. It was commissioned in 1978, after a freeway bypass of Decatur was completed.[3] In 1995, a freeway bypass of Elwin was completed, and US 51 Bus. was subsequently extended.[4] In 2011, the route was decommissioned in an effort to reduce the amount of heavy truck traffic through downtown Decatur.[5]

Major intersections
The entire route was in Macon County.

LocationmikmDestinationsNotes
South Wheatland Township 
 
US 51 south
Northbound exit, southbound entrance to US 51
  
 
US 51 to I-72 – Springfield, Bloomington, Pana
Decatur 
 
 
 
IL 105 west (Franklin Street) to IL 48 – Blue Mound, Taylorville
South end of IL 105 overlap
 
 
IL 105 east (Lake Shore Drive)
North end of IL 105 overlap
  US 36 – Springfield, Tuscola
   IL 48 / IL 121 – Taylorville, Lincoln, Argenta, Mattoon
  
 
I-72 / US 51 north – Champaign, Springfield, Bloomington
Roadway continued as US 51
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Clinton business route

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U.S. Route 51 Business
LocationClinton, Illinois
Existed1983–present

U.S. Route 51 Business (US 51 Bus.) is a business loop that runs through downtown Clinton, Illinois. It was commissioned in 1983, after an expressway bypass of Clinton was completed.[6]

Major intersections
The entire route is in Clinton, DeWitt County.

mikmDestinationsNotes
 
 
US 51 south – Decatur
   IL 54 / IL 10 – Lincoln, Champaign
 
 
US 51 north – Bloomington
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Bloomington–Normal business route

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U.S. Route 51 Business
LocationBloomington–Normal, Illinois

Beloit spur route

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Spur U.S. Highway 51
LocationBeloit, Wisconsin
Length0.11 mi[7] (180 m)

Spur U.S. Highway 51 (Spur US 51) is an unsigned spur route, connecting US 51 with WIS 213 via Broad Street in downtown Beloit, Wisconsin.[7]

Plover–Stevens Point business route

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Business U.S. Highway 51
LocationPloverStevens Point, Wisconsin
Existed1971–2020

Business U.S. Highway 51 (Bus. US 51) was a business loop that ran through the communities of Plover, Whiting, and Stevens Point. The route was commissioned after a freeway bypass of the Stevens Point area was completed in 1971. Around 2009, the route through Stevens Point was removed from the Wisconsin State Trunk Highway System and became a city street, though the highway remained signed. In 2019, the American Association of State Highway and Transportation Officials approved eliminating Bus. US 51 as the remainder of the route was planned to be transferred to the villages of Plover and Whiting in 2020.[8]

Major intersections
The entire route was in Portage County.

LocationmikmDestinationsNotes
Town of Buena Vista0.000.00   
 
 
 
 
I-39 / US 51 / WIS 54 east / Alt. I-39 south – Portage, Wausau, Waupaca
Southern end of WIS 54 and I-39 Alt overlap; roadway continues as WIS 54
Plover2.083.35 
 
  
 
 
WIS 54 west / CTH-B / Alt. I-39 north – Wisconsin Rapids, Amherst
Northern end of WIS 54 and I-39 Alt overlap
Stevens Point 
 
 
 
 
WIS 66 east (Clark Street) / Alt. I-39 south
One-way pair; formerly US 10 east; south end of I-39 Alt overlap
 
 
WIS 66 west (Main Street)
One-way pair; formerly US 10 west
    
 
 
I-39 / US 51 / US 10 / Alt. I-39 ends – Wausau, Portage
North end of I-39 Alt
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Rothschild–Wausau business route

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Business U.S. Highway 51
LocationRothschildWausau, Wisconsin
Existed1963–present

Business U.S. Highway 51 (Bus. US 51) is a business loop serving the communities of Rothschild, Schofield, and Wausau, Wisconsin. It was commissioned in 1963, when an expressway bypass of the Wausau area was finished.[9]

Merrill business route

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Business U.S. Highway 51
LocationMerrill, Wisconsin
Existed1976–1998

Business U.S. Highway 51 (Bus. US 51) was a business loop that served Merrill, Wisconsin. The business loop was established in 1976 after a freeway bypass was completed east of Merrill.[10][11] In 1998, without any significant changes during its existence, it was then decommissioned in favor of CTH-K and CTH-Q.[12][13]


References

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  1. ^ U.S. Route Numbering Subcommittee (June 20, 1970). "U.S. Route Numbering Subcommittee Agenda Showing Action Taken by the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway Officials. Retrieved September 16, 2021 – via Wikimedia Commons.
  2. ^ Special Committee on U.S. Route Numbering (June 7, 1989). "Report of the Special Committee on U.S. Route Numbering to the Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved September 16, 2021.
  3. ^ Special Committee on U.S. Route Numbering (October 28, 1978). "Route Numbering Committee Agenda Showing Action Taken by the Executive Committee" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Retrieved September 16, 2021 – via Wikisource.
  4. ^ Special Committee on U.S. Route Numbering (April 23, 1995). "Report of the Special Committee on U.S. Route Numbering to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved September 16, 2021.
  5. ^ Special Committee on U.S. Route Numbering (May 2, 2011). "Report to the Standing Committee on Highways" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original (PDF) on October 16, 2017. Retrieved September 16, 2021.
  6. ^ Special Committee on U.S. Route Numbering (October 1, 1983). "Route Numbering Committee Agenda" (PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Retrieved September 16, 2021 – via Wikisource.
  7. ^ a b Bessert, Christopher J. "Highways 50–59". Wisconsin Highways. Retrieved September 16, 2021.[self-published source]
  8. ^ Wisconsin Department of Transportation (2019). "Application for Elimination of a U.S. Route" (PDF). Wisconsin Department of Transportation. Retrieved September 16, 2021 – via American Association of State Highway and Transportation Officials.
  9. ^ U.S. Route Numbering Committee (October 20, 1963). "U.S. Route Numbering Committee Agenda Showing Action Taken by Executive Committee" (PDF) (Report). Washington, DC: American Association of State Highway Officials. Retrieved September 16, 2021 – via Wikimedia Commons.
  10. ^ Wisconsin Department of Transportation Division of Highways (1975). Wisconsin Highway Map (Map). 1:823,680. Madison: Wisconsin Department of Transportation. Retrieved November 28, 2021 – via American Geographical Society Library Digital Map Collection.
  11. ^ Wisconsin Department of Transportation Division of Highways (1976). Wisconsin Highway Map (Map). 1:823,680. Madison: Wisconsin Department of Transportation. OCLC 62715542, 846996281. Retrieved November 28, 2021 – via American Geographical Society Library Digital Map Collection.
  12. ^ Wisconsin Department of Transportation Division of Highways (1997). Wisconsin Highway Map (PDF) (Map) (1997–1998 ed.). 1:823,680. Madison: Wisconsin Department of Transportation. Retrieved November 28, 2021.
  13. ^ Wisconsin Department of Transportation (1999). Official State Highway Map (PDF) (Map) (1999–2000 ed.). 1:823,680. Madison: Wisconsin Department of Transportation. OCLC 47286364. Retrieved November 28, 2021.