US 51/Center Avenue (Nicolet Street to Court Street)

Project location | Project overview | Schedule | Traffic impacts/detours | Status/phase | Contact information

Project location

US 51/Center Avenue (Nicolet Street to Court Street) Janesville - Rock County

Project overview

Approximately 1.3 miles of US 51 is planned for pavement replacement between Nicolet Street and McKinley Street in the City of Janesville. Other improvements proposed in this project include:

  • Updating the traffic signal equipment
  • Updating curb ramps to meet American Disability Act (ADA) requirements
  • Maintaining the Rock River Bridge
  • Repairing two railroad bridges
  • Replacing City funded sanitary sewer and water main
  • Replacing impacted storm sewer
  • Updating the pavement markings


Traffic impacts/detours

US 51 will be closed to through traffic during construction. A signed detour will be in route traffic around the work zone. Local traffic will be able to access US 51 throughout construction.



Contact information

Jim Simpson, P.E., P.L.S.
WisDOT Project Manager
(608) 246-5628

Hannah Punzel
WisDOT Southwest Region Communications Manager
(608) 246-7907

Wisconsin Department of Transportation (WisDOT)
Southwest Region, Madison Office
2101 Wright Street
Madison, WI 53704
Phone: (608) 246-3800
TTY: 711