If you go back to the move, Wake actually left the Raleigh suburbs in the late 50's and played at Bowman Gray Stadium, in between races, for about a decade. Then Groves was built and opened in 1967. Not sure there really was enough room on campus for the planned academic campus and a football stadium and all the necessary parking with access. Also, the BB team was already playing at the old Coliseum, and the football stadium was built right across the street. The new stadium, in addition to the stadium and ancillary facilities footprint, would have needed at least 10,000 and probably closer to 15,000 parking spaces in addition to the existing on campus parking. That is a lot of space used for parking that would only be used for its primary purpose 3 to 5 times a year - college football teams only played 10 games.In 1964 and 1965, Wake only played three (3) home games each year. in 1966, and 1967 it was 4 each year. 1968, first year at Grove (now BB&T) it was five home games. So it made sense to share parking space with the coliseum.