Catalog Record: Motorists' requirements for active grade crossing warning devices. Final report | HathiTrust Digital Library

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Motorists' requirements for active grade crossing warning devices. Final report.

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Main Author: Ruden, R. J.
Related Names: Wasser, C. F. , Hulbert, Slade. , Burg, Albert.
Language(s): English
Published: 1977.
Subjects: Warning signs.
Visibility.
Railroad grade crossings.
Laboratory tests.
Flashing traffic signals.
Field tests.
Contrast.
Warning Signs/ Warning Signals.
Railway Crossings.
Optical Contrast/ Conspicuity.
Laboratory Experiments.
Flashing Signals.
Field Experiments.
Physical Description: 270 p. : 2 ref. figs. photos. tables.
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