Wisconsin Department of Transportation

Alert: The following services will be unavailable on Saturday, January 5, 2013 from 12 a.m. (midnight) to 6 a.m. CST due to system maintenance.

US 12 Corridor, aka Baraboo Bypass - South section
Baraboo, Sauk County

Project location

US 12, from Terrytown Rd. south to Ski Hi Rd., around the city of Baraboo, in Sauk County.

Project overview

  • Project involves 5.4 miles of proposed four-lane bypass.
  • Interchanges scheduled to be constructed at WIS 136 and County W.
  • South of Baraboo, freeway will change to an expressway with limited access to some businesses/homes and full access to Lehman Rd. and Ski Hi Rd. intersections.


Design work has completed with construction starting in spring 2015 and completion in 2017.

Upcoming events/traffic impacts

  • April 6, 2015
    • Road Closure on Hatchery Road - Closure scheduled for approximately (No Marked Detours Installed)
    • Road Closure on Gasser Road - Closure scheduled for approximately (No Marked Detour Installed)
  • April 7, 2015 - US 12 business owner meeting at 5 p.m. 6 p.m.
    • To be held in Room B-24, Sauk County West Square Building, 505 Broadway Street, Baraboo, WI 53913

Questions about the content of this page, contact:
WisDOT Southwest Region Office-Madison, swr.dtsd@dot.wi.gov
Last modified: March 26, 2015

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