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1
Mar
1980
Technical Reports
Statistical Representations of Track Geometry Volume I- Text
Subject
Track
Keywords: Track Inspection Cars, Simulation Models, Statistical Models
Abstract: Mathematical representations of railroad track geometry variations are derived from time series analyses of track measurements. Since the majority of track is free of anomalies (...
Report Number
FRA/ORD·80/22·1
Office
RRD
1
Mar
1980
Technical Reports
Concrete and Wood Tie Track Performance through 150 Million Gross Tons
Subject
Facilities & Test Equipment,
Tracks & Structures
Keywords: Concrete Cross Ties, Track Performance, Track Components, Track Testing, Track Loading, Accelerated Service Tests
Abstract: This report has been prepared as part of the Improved Track Structures Research Program sponsored by the Office of Rail Safety Research of the Federal Railroad Administration. The...
Report Number
FRA/TTC-80/02
Office
RRD
1
Mar
1980
Technical Reports
Track and Bridge Maintenance Research Requirements
Subject
Bridge and Structures Safety,
Tracks & Structures,
Evaluation
Keywords: Ballast, Subgrade, Cross Ties, Special Track-work, Bolted Joints, Maintenance and Rail
Abstract: This report includes the design of seven research plans in the area of track and bridge maintenance. The railroad industry was surveyed to ascertain the maintenance problems of...
Report Number
FRA/ORD-80/11
Office
RRD
1
Mar
1980
Technical Reports
Rail-Highway Crossing Hazard Prediction Research Results
Subject
Accident Reduction,
Grade Crossing Modeling and Simulation,
Grade Crossings,
Highway-Rail Grade Crossings
Keywords: hazard index; nonlinear regression
Abstract: This document presents techniques for making and using railroad grade crossing hazard indexes (formulas used to compare or rank crossings by level of hazard).
Report Number
FRA-RRS-80-02
Office
RRS
1
Dec
1979
Technical Reports
Legal Effects of Use of Innovative Equipment at Railroad-Highway Grade Crossings on Railroad's Accident Liability
Subject
Grade Crossing and Trespass Outreach/Education,
Highway-Rail Grade Crossings
Keywords: Legal liability; Grade Crossing Accident Costs
Abstract: This report discusses a railroad’s legal liability for grade crossing accident costs when that railroad uses innovative grade crossing safety equipment.
Report Number
FRA-RRS-80-01
Office
RRS