- The Green Mountain State began contributing to the number of Drive-ins in America after the end of the Second World War, and during the peak years had more than 20 Drive-ins around the state. In the four decades that have passed since the heyday of Vermont's Drive-in Movie Theatres, 84% of them have gone dark or been demolished. The few that do remain however have preserved the presence of the ...www.driveinmovie.com/VT.htm