An aerial photos of the Valley Vu Drive-In in 1997.  The entrance of the drive-in was along 4800 west, but an exit went north to 3500 South.   The screen was on the east end of the theater.
Courtesy of the U.S. Geological Survey, 4 October 1997
Valley Vu Drive-In Theatre

3560 South 4800 West
West Valley City, Utah