Railroad grade crossing passive signing study. Final report.
| Data(s) |
21/06/1978
|
|---|---|
| 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 |
