401 separate signboards required for system; in addition, about 100 signs were erected by War Dept to direct traffic to building and on service roads and parking areas; sign legends; types of letters used; letter height related to design speed; panel and edge spacing; location along road; design of boards and legends.
Design of signs for pentagon road network
Traffic Eng
Traffic Engineering ; 15 , n 7
1945
7 pages
Article (Journal)
English
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