WEST ALLIS, Wis. — The Wisconsin Department of Transportation is alerting drivers that traffic flow will look different this year near American Family Field and the Wisconsin State Fair, as construction, the fair's opening, and Brewers home games converge on the same stretch of I-94. WisDOT says additional signage, police-directed intersections and new traffic flow patterns will be used to help keep cars moving around the fairgrounds. Drivers should expect “right-turn-only” traffic patterns around the Wisconsin State Fairgrounds this year as part of efforts to keep traffic moving during construction and peak event traffic. WisDOT WisDOT says drivers should expect “right-turn-only” traffic patterns around the Wisconsin State Fair grounds this year as part of efforts to keep traffic moving during construction and peak event traffic. To help drivers, a new online tool from the DOT allows fairgoers to plan their routes to and from the State Fair, with alternate routes based on where drivers are coming from.