Folder: S.F. Transportation-Streetcars-Passengers.
Newscopy: "RISKY BUSINESS--A man tries to climb aboard this moving No. 22 car as it pulls out - loaded to capacity plus with shipyard workers - at 18th and Third-sts. Frequently, in desperate effort to make sure of a ride, men run to meet cars as they slow down for stops, jumping on ahead of the rush."