A union-led advertising campaign lampooning Gov. Scott Walker over road funding is expanding amid a close governor's race in which transportation has become a big topic of debate.

Tagged with: gas tax Gov. Scott Walker International Union of Operating Engineers Local 139 Safe Transportation Over Politics Scott-Holes Tony Evers

With many likely voters anxious about the condition of Wisconsin roads, a group tied to the largest construction union in the state is skewering Gov. Scott Walker over infrastructure spending in a series of election-cycle ads.

Tagged with: Gov. Jim Doyle Gov. Scott Walker International Union of Operating Engineers Local 139 Legislative Fiscal Bureau Safe Transportation Over Politics Scott-Holes Terry McGowan