Region and Central Office Maintenance Staff

Region Maintenance Supervisors

For questions, praise or concerns about maintenance of state highways in specific locations, contact the appropriate region supervisor listed below:

North Central Region

Adams, Florence, Forest, Green Lake, Iron, Langlade, Lincoln, Marathon, Marquette, Menominee, Oneida, Portage, Price, Shawano, Vilas, Waupaca, Waushara, and Wood counties.

Jim Volkmann
(715) 365-5773
jim.volkmann@dot.wi.gov

North Central Region contacts

Northeast Region

Brown, Calumet, Door, Fond du Lac, Kewaunee, Manitowoc, Marinette, Oconto, Outagamie, Sheboygan, and Winnebago counties.

Matt Ternes
(920) 492-4143
matthew.ternes@dot.wi.gov

Northeast Region contacts

Northwest Region

Eau Claire Office
Buffalo, Chippewa, Clark, Dunn, Eau Claire, Jackson, Pepin, Pierce, St. Croix, and Trempealeau counties.

Matthew Thornsen
(715) 836-2069
matthew.thornsen@dot.wi.gov


Superior Office
Ashland, Barron, Bayfield, Burnett, Douglas, Polk, Rusk, Sawyer, Taylor, and Washburn counties.

Michael Ostrenga
(715) 392-7945
michael.ostrenga@dot.wi.gov

Southeast Region

Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha counties.

Brian Pluemer
(262) 548-6721
brian.pluemer@dot.wi.gov

Southwest Region

La Crosse Office
Crawford, Grant, Juneau, La Crosse, Monroe, Richland, Sauk, and Vernon counties.

Richard Vydrzal
(608) 785-9043
richard.vydrzal@dot.wi.gov

Southwest Region contacts

Madison Office
Columbia, Dane, Dodge, Green, Iowa, Lafayette, Jefferson, and Rock counties.


Amy Brooks
(608) 246-5396
amy.brooks@dot.wi.gov

Central Office (Bureau of Highway Maintenance)

For questions, praise or concerns in the following statewide topics, contact:

Freight Operations and Outdoor Advertising Section

Freight operations and Outdoor Advertising

Dan Mulder, Chief
(608) 266-3471
daniel.mulder@dot.wi.gov

Oversize/overweight permits

Ehren Bittorf, Supervisor
(608) 261-2573
ehren.bittorf@dot.wi.gov

Highway Maintenance and Roadside Management Section

Statewide highway maintenance policy and procedures, roadside maintenance

Rebecca Szymkowski, Chief, State Maintenance Engineer

(608) 266-9381

rebecca.szymkowski@dot.wi.gov

Program Management and Roadside Facilities Section

Budget/finance, rest areas, and waysides

John Marchewka, Chief

(608) 246-7915
johnr.marchewka@dot.wi.gov

You may also visit www.roadsidefacilities.org