Experimental design for evaluating the safety benefits of railroad advance warning signs /
| Data(s) |
28/12/1979
|
|---|---|
| Resumo |
Mode of access: Internet. |
| Formato |
bib |
| Identificador | |
| Idioma(s) |
eng |
| Publicador |
Washington : Dept. of Transportation, Federal Highway Administration, Office of Research, Traffic Systems Division ; Springfield, Va. : for sale by the National Technical Information Service, |
| 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 | #Railroads #Railroad crossings. |
| Tipo |
text |
