From report to be published by American Engineering Council's Committee on street traffic signs, signals and markings; reasons for installation of signals; definition of terms; classification of traffic-control signal systems; selection of method of operation; use of colors; other signals; cycle lengths.
Recommendations as to street traffic control signals
Am. City
American City ; 34 , n 6
1928
3 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Street traffic control signals
Engineering Index Backfile | 1930
Recommendations as to street traffic signs
Engineering Index Backfile | 1928
Visibility of street traffic signals
Engineering Index Backfile | 1963
|Better street use with traffic signals
Engineering Index Backfile | 1947
|