Data showing distance at which certain forms of signs could be distinguished; need for investigation into type of opal glassware employed for traffic signs; progressive system satisfactory for less congested areas; synchronized system for more congested areas; whole question of installation and general maintenance of traffic signs and signals should come under public lighting engineer working in conjunction with appropriate traffic authorities or committees. Paper read before Assn. Pub. Lighting Engrs.
Traffic signs and signals
Illum. Engr
1928
2 pages
Aufsatz (Zeitschrift)
Englisch
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