Potential means of cost reduction in grade crossing automatic gate systems. Volume II: improved gate arm concepts for railroad/highway grade crossings. Final report.
| Data(s) |
15/01/1977
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| Resumo |
Transportation Systems Center, Cambridge, Mass. Federal Railroad Administration, Office of Research and Development, Washington, D.C. Mode of access: Internet. Author corporate affiliation: Gulf and Western AD&E Center, Swarthmore, Pa. Report covers the period June 1974 to March 1976 Subject code: CDJI Subject code: HBED Subject code: SCE*C Subject code: WOB |
| 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 | #Railroad grade crossings. #Highway engineering. #Grade crossing protection systems. #Design engineering. #Costs. #Railway Crossings. #Highway Engineering Costs. #Engineering Design. #Crossing Signals. |
| Tipo |
text |
