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5
Sep
2024
Technical Reports
Operation Lifesaver, Inc. Process Evaluation
Subject
Research,
Human Factors
Keywords: Evaluation, Operation Lifesaver, Inc., process evaluation, program evaluation, grant management, education, highway-railroad grade crossings, trespassing, railroad right-of-way
Abstract: The Federal Railroad Administration contracted Volpe National Transportation Systems Center to conduct a process evaluation of Operation Lifesaver, Inc.’s educational...
Report Number
DOT/FRA/ORD-24/34
Office
RDI-24
30
Aug
2024
Technical Reports
Monitoring and Modeling of Differential Movement at Railway Transitions
Subject
Research,
Track
Keywords: Transition zones; differential movement; bridge approach; unsupported; track geometry; track modulus; modulus
Abstract: The Federal Railroad Administration sponsored a research team from the University of Illinois at Urbana-Champaign to conduct laboratory and field research of railroad bridge...
Report Number
DOT/FRA/ORD-24/30
Office
RDI-21
29
Aug
2024
Technical Reports
Automated Weld Repair of Manganese Frogs for Extended Service Life
Subject
Research,
Track
Keywords: Constant voltage; CV; flux-cored arc welding; FCAW; pulse gas metal arc welding; GMAW-P; radiographic testing; RT; ultimate tensile strength; UTS; yield strength; YS; rail frog; rail turnout; frog point; frog wings; solid state welding
Abstract: EWI completed research and testing of an automated weld repair process for austenitic manganese steel railroad frogs. This report covers the second of two projects sponsored by...
Report Number
DOT/FRA/ORD-24/29
Office
RDI-21
15
Aug
2024