Right-turn-on-red - McGee, Hugh W. (Springfield Va. : National Technical Information Service U S, Departamento of Commerce, 1977)
Contenido: v. 2. Executive summary
Fotocopia de: Washington : U.S. Department of Transportation, Federal Highway Administration, Offices of Research and Development, 1976.
Keywords: ACCIDENTES DE TRANSITO; TRANSITO LOCAL -- MEDIDAS DE SEGURIDAD; SEÑALES DE TRANSITO -- ESTADOS UNIDOS