Agreement on the adoption of the Inter-American manual on traffic control devices for streets and highways /
Agreement of Caracas.
- Washington : Secretario General Organizacion de los Estados Unodos, 1980.
- v, 40 p.
- (Serie sobre tratados; no. 58) (OEA) Ser-A/35 (SEPF) .
Text in Spanish, English, French and Portuguese.
Traffic regulations. Traffic engineering. Traffic signs and signals.