A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Some solutions of visibility and legibility problems in changeable speed command signs
Report details various design criteria specified for discrete-bulb, matrix, speed command sign; results of laboratory tests; interaction effects among criteria meeting design specifications.
Some solutions of visibility and legibility problems in changeable speed command signs
Report details various design criteria specified for discrete-bulb, matrix, speed command sign; results of laboratory tests; interaction effects among criteria meeting design specifications.
Some solutions of visibility and legibility problems in changeable speed command signs
Nat Research Council -- Highway Research Board -- Bul
Bauer, H.J. (author)
1962
9 pages
Report
English
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