I attended University of Arizona when they had all-female dorm rooms. No males allowed between 10pm and 8am. There was one men’s bathroom in the lobby.

Which, for all practical purposes, meant that guys were not allowed to be seen in the halls after curfiew. There was always a line in front of the men’s bathroom just before to pm.

Once, when visiting my girlfriend there, I had to pee late at night, so I just let fly out the window, and hit a couple that was couplating in the bushes…