Railroad grade crossing passive signing study. Final report.
Data(s) |
04/02/1978
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Resumo |
Federal Highway Administration, Office of Research, Washington, D.C. Mode of access: Internet. Author corporate affiliation: Transportation Systems Center, Cambridge, Mass. Report covers the period April 1976 - June 1977 Subject code: CDJI Subject code: HBD Subject code: PDE Subject code: PMKN |
Formato |
bib |
Identificador | |
Idioma(s) |
eng |
Direitos |
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements. |
Palavras-Chave | #Warning signs. #Visibility distance. #Railroad grade crossings. #Human information processing. #Cognition. #Warning Signs/ Warning Signals. #Seeing Distance/ Viewing Distance. #Railway Crossings. #Cognition/ Information Processing. |
Tipo |
text |