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19
Sep
2024
Technical Reports
Positive Train Control Communication Failures and Their Impacts: Case Study Using Generalized Train Movement Simulator
Subject
Research,
Communications,
Train Control
Keywords: PTC; GTMS; rail system simulation
Abstract:
Railroads with Positive Train Control (PTC) are experiencing increased delays due to communication failures and outages, during which trains are compelled to move at slower...
Report Number
DOT/FRA/ORD-24/39
Office
RDI-23
12
Sep
2024
Technical Reports
Evaluation of Habituation to Alerts in Locomotive Cabs
Subject
Research,
Human Factors
Keywords: Habituation; inattentional deafness; alarm fatigue; locomotive engineer; Positive Train Control; PTC; alerter; human factors
Abstract:
From September 2019 to May 2022, the Federal Railroad Administration (FRA) funded KEA Technologies Inc. to conduct a pilot study using a rail simulator to determine whether...
Report Number
DOT/FRA/ORD-24/36
Office
RDI-24
30
Aug
2024
Technical Reports
An Investigation of the Effects of Positive Train Control Systems on Track Maintenance
Subject
Research,
Track
Keywords: Positive Train Control; PTC; Maintenance of Way; MOW; roadway worker protection; RWP; Employee-in-Charge; EIC; Roadway Worker in Charge; RWIC
Abstract:
The Federal Railroad Administration (FRA) contracted Transportation Technology Center, Inc. (TTCI) to conduct a broad analysis of the impacts of Positive Train Control (PTC)...
Report Number
DOT/FRA/ORD-24/32
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
3
Jun
2024
Technical Reports
Very Long Trains – Phase II - Rack Tests
Subject
Rolling Stock
Keywords: Very Long Train, VLT, Air Brake System, Distributed Power
Abstract:
In Phase II of this research project, FRA sponsored Wabtec to perform train air brake tests on long trains at their facility in Wilmerding, Pennsylvania, between January 2021...
Report Number
DOT/FRA/ORD-24/18
Office
RDI-22