US 18/151 (Town Hall Rd to Fitchrona Rd)

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

Project location

US 18/151 (Town Hall Rd to Fitchrona Rd), between Mount Horeb & Fitchburg - Dane County

Project overview

This US 18/151 project starts at Town Hall Road just east of Mount Horeb and extends east to Fitchrona Road in Fitchburg. USH 18/151 is a principal arterial roadway whose pavement and other practical elements has deteriorated to a point where maintenance is needed to extend the pavements useful life. The purpose of the maintenance and roadside improvements are to continue providing the traveling public a safe and smooth riding surface.

Proposed improvements:​

  • Pavement repair and replacement of the existing concrete along US 18/151 to include adjacent ramps
  • Pavement repair and replacement of Old County PB between ramp terminals
  • Replacement of the existing signals at the westbound Old County PB ramp terminal
  • Replacement of the several existing concrete pavement approach slabs abutting existing structures
  • Culvert repairs

Project fact sheet


  • Winter 2020 or 2021 - Public involvement meeting (PIM)
  • Winter 2020 or 2021 - Local officials meeting (LOM)
  • 2022 - Construction anticipated


Traffic impacts/detours

US 18/151 will be constructed by maintaining 1 lane in each direction with ramp construction taking place under a closed condition.

  • Ramp construction will take place under a closed condition
    • Ramps will be staged in such a matter that adjacent ramps are not closed at the same time
    • This strategy will cause moderate delays to the traveling public
County PB will be constructed by maintaining 1 lane in each direction with a temporary signal at the westbound ramp terminal to minimize ramp queuing and delays.



Contact information

Derek Potter, P.E.
WisDOT Project Manager
(608) 246-3861

Steve Theisen
WisDOT Southwest Region Communications Manager
(608) 884-1230

Wisconsin Department of Transportation (WisDOT)
Southwest Region, Madison Office
2101 Wright Street
Madison, WI 53704
Phone: (608) 246-3800
Fax: (608) 246-3843
TTY: 711