A excerpt from the traffic regulations for the 1950 celebration. Image description: Purple typewritten text on white paper. Transcription: Traffic Regulations for April 19, 1950 On the following streets and highways or parts, thereof, parking will be prohibited from 8:00 A.M. to 2:00 P.M. and the same will be closed to vehicular traffic from 9:30 A..M. to 3:00 P.M.