BY Christian Gurney IN September 4, 2014 No comment 0 Loading Map.... Road AmericaN7390 State Highway 67 - PlymouthEvents 43.80545619999999 -87.99172250000004 Address N7390 State Highway 67 Plymouth WI 53703 United States Upcoming Events No events in this location Written by Christian Gurney Co-founder of Race Legends, life-long gearhead and with a passion for the Ford GT 40.