Folder: S.F. Freeways-Embarcadero.
Written on back: "SMOOTH -- San Francisco: The on and off rapms of the new First Street section of San Francisco's 'Skyway' make an interesting picture as the smooth curves of the ramps lead the traffic into the confusion of downtown San Francisco. (See also SXPGO51402A) United Press Photo. List a Unipix. SXP-O51402B. San Francisco Bureau".