Discussion of most satisfactory material for production of highway direction signs, danger, and cautionary notice, and other public information; wood signs are held to be less liable to mechanical damage; discusses deterioration, legibility, appearance, availability and cost of signs; specifications for wood signs.
Highway markers of wood
Highway Engr. Contractor
Highway Engineer and Contractor ; 19 , n 3 ; p 32-35
1928
4 pages
3 Figs.
Article (Journal)
English
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