Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume I: overview, technology survey and relay alternatives. Final report.
| Data(s) |
05/11/1977
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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: Storch Engineers, Chestnut Hill, Mass. Report covers the period June 1974 - March 1976 Subject code: CDJI Subject code: HBED Subject code: NKHD Subject code: NKHG Subject code: SCE*C Subject code: WOB Subject code: XIB |
| 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 | #Reliability (Statistics). #Relays (Electricity). #Railroad grade crossings. #Maintainability. #Highway engineering. #Grade crossing protection systems. #Design engineering. #Costs. #Reliability. #Relays. #Railway Crossings. #Highway Engineering Costs. #Engineering Design. #Crossing Signals. |
| Tipo |
text |
