A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Pavement signs made clearer by asphalt background
Marks and letters properly sized and shaped and painted on black base (readable 300 ft away) reduce accidents in St. Louis suburb.
Pavement signs made clearer by asphalt background
Marks and letters properly sized and shaped and painted on black base (readable 300 ft away) reduce accidents in St. Louis suburb.
Pavement signs made clearer by asphalt background
Eng News-Rec
O'Hare, J.W. (author)
Engineering News-Record ; 114
1935
Article (Journal)
English
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