1973 Press Photo Indianapolis Motor Speedway fans on foot, bicycles and cars

They came in all shapes and sizes---on foot, motorcycle and cars--as the Indianapolis Motor Speedway opened Monday for the 500 at 5 a.m. However, after an early fiery crash and daylong rains, the classic was postponed until Tuesday.

Photo is dated 1973.

Photo measures 9.25 x 8 inches.