Wisconsin State Trunk Highway System

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Wisconsin State Trunk Highway System
Interstate 94 markerUS Highway 12 markerState Trunk Highway 35 marker
Highway markers for Interstate 94, U.S. Highway 12 and WIS 35
System information
Maintained by WisDOT
Length: 12,000 mi[2] (19,000 km)
Formed: 1918[1]
Highway names
Interstates: Interstate n (I-n)
US Routes: U.S. Highway n (US n)
State: (State Trunk) Highway n (STH-n or WIS n)
System links
  • Wisconsin State Trunk Highway System

The Wisconsin State Trunk Highway System is the state highway system of the U.S. state of Wisconsin. It is maintained by the Wisconsin Department of Transportation (WisDOT). Wisconsin was the first state in the United States to signpost the highways in its state highway system in 1918.[1] The system includes Wisconsin's segments of the Interstate Highway System and the United States Numbered Highway System, in addition to its other state trunk highways.

Other highways in Wisconsin[edit]


  1. ^ a b "Michigan May Do Well Following Wisconsin's Road Marking System". The Grand Rapids Press. September 20, 1919. p. 10. OCLC 9975013. 
  2. ^ Wisconsin Department of Transportation (n.d.). "History of WisDOT". Wisconsin Department of Transportation. Retrieved May 22, 2016. 
  3. ^ Office of Public Lands Highways (August 15, 2013). "Forest Highways". Federal Highway Administration. Retrieved March 17, 2014. 
  4. ^ a b Great Lakes Information Network. "Great Lakes Circle Tour". Great Lakes Information Network. Retrieved March 17, 2014. 
  5. ^ Wisconsin Department of Transportation (January 2014). Map of Douglas County (PDF) (Map). 1:100,000. Madison: Wisconsin Department of Transportation. Archived from the original (PDF) on March 17, 2014. Retrieved March 17, 2014. 
  6. ^ Yellowstone Trail Association. "The Yellowstone Trail in Wisconsin". Yellowstone Trail Association. Retrieved March 17, 2014. 

External links[edit]