Once the Bay Bridge was complete, the rail lines, which ran past the entrance to Neptune Beach on the way to the Alameda Mole and the Ferry, lost passengers in great number as people shifted to automobiles. People began using their cars to escape the city and the close suburbs like Alameda and traveled further afield in California. More distant locations appealed to cash-rich San Francisco tourists in the postwar years. Youngsters in town became aware of ways to avoid paying the dime for admission to the park. Strong swimmers or waders could sneak in on the bayside just by swimming around the fence.