Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume II: comparison of solid state and relay devices and techniques. Final report

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035 ‡a(OCoLC)173413026
035 ‡a(umtri)UMTRI 40346
040 ‡dMiAaUTR
088 ‡aFRA/ORD-77/45.II
088 ‡aDOT-TSC-FRA-76-21,II
100 1 ‡aHolmstrom, F. Ross.
245 1 0 ‡aPotential means of cost reduction in grade crossings motorist-warning control equipment. Volume II: comparison of solid state and relay devices and techniques. Final report.
260 ‡c1977.
300 ‡a50 p. : ‡b19 ref. diags.
536 ‡bDOT-TSC-589
536 ‡aTransportation Systems Center, Cambridge, Mass.
536 ‡aFederal Railroad Administration, Office of Research and Development, Washington, D.C.
538 ‡aMode of access: Internet.
590 ‡aAuthor corporate affiliation: Lowell University Research Foundation, Mass.
590 ‡aReport covers the period March 1975 - March 1976
590 ‡aSubject code: CDJI
590 ‡aSubject code: HBED
590 ‡aSubject code: NKHD
590 ‡aSubject code: NKHG
590 ‡aSubject code: SCE*C
590 ‡aSubject code: WOB
590 ‡aSubject code: XIB
650 7 ‡aReliability (Statistics). ‡2trt
650 7 ‡aRelays (Electricity). ‡2trt
650 7 ‡aRailroad grade crossings. ‡2trt
650 7 ‡aMaintainability. ‡2trt
650 7 ‡aHighway engineering. ‡2trt
650 7 ‡aGrade crossing protection systems. ‡2trt
650 7 ‡aDesign engineering. ‡2trt
650 7 ‡aCosts. ‡2trt
650 7 ‡aReliability. ‡2umitrist
650 7 ‡aRelays. ‡2umitrist
650 7 ‡aRailway Crossings. ‡2umitrist
650 7 ‡aHighway Engineering Costs. ‡2umitrist
650 7 ‡aEngineering Design. ‡2umitrist
650 7 ‡aCrossing Signals. ‡2umitrist
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