TY - BOOK ED - United States ED - United States TI - Washington, D.C: U.S. Dept. of transportation, Federal Highways U1 - 388.3/12 PY - 1978///- CY - Washington, D.C. PB - U.S. Dept. of transportation, Federal Highway Administration, For sale by the Supt. of Docs., U.S. G.P.O. KW - Traffic signs and signals KW - United States KW - Handbooks, Manuals, etc KW - Local KW - Señales de tránsito KW - Estados Unidos KW - Revistas, manuales, etc N1 - "This edition developed with the cooperation of the National Advisory Committee on Uniform Traffic Control Devices."; "D6.1--1978."; "Supersedes D6.1--1971"--T.p. Verso ER -