Recommendations from forthcoming report of Am. Eng. Council's Committee on street traffic signs, signals and markings; specifications for signs at railroad crossing and railroad approach; stop signs; slow signs; caution signs; one-way and detour signs; information and restriction signs.
Recommendations as to street traffic signs
Am. City
American City ; 39 , n 5
1928
4 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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