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The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.
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9
Aug
2024
Other Reports
Federal Railroad Administration Guide for Preparing U.S. DOT Crossing Inventory Forms
Subject
Grade Crossings,
Highway-Rail Grade Crossings
Abstract: This Guide for Preparing U.S. DOT Crossing Inventory Forms (Guide) is intended to provide guidance to operating railroads and States on completing the U.S. DOT Crossing...
Office
RRS-23
8
Dec
2023
Technical Reports
PTC Communications: Cybersecurity Technology Review and Concept of Operations
Subject
Positive Train Control,
Security
Keywords: Positive Train Control, PTC, railroad, shared network, Interoperable Train Control Messaging, ITCM, cybersecurity, encryption, National Institute of Standards and Technology, NIST, ELLI
Abstract: Researchers sought to determine how to improve the confidentiality of information passing through the...
Report Number
DOT/FRA/ORD-23/39
Office
RDI-23
29
Sep
2023
Technical Reports
I-ETMS™ Positive Train Control Passenger Braking Algorithm Enhancement – Phase II
Subject
Positive Train Control
Keywords: Positive Train Control, PTC, braking, braking algorithm enhancements, field testing, Electric Multiple Unit, EMU, Diesel Multiple Unit, DMU, enforcement algorithm, enforcement algorithms, EA
Abstract: The Federal Railroad Administration (FRA) funded Transportation Technology Center, Inc. (TTCI) to examine the performance benefits of four potential modifications to the...
Report Number
DOT/FRA/ORD-23/36
Office
RDI-23
11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains
Subject
Positive Train Control
Keywords: Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup
Abstract: Software algorithms used in positive train control (PTC) systems designed to predict freight train stopping distance and enforce a penalty brake application have been shown to...
Report Number
DOT/FRA/ORD-13/34
Office
RRD
11
Jul
2023
Technical Reports
Development of an Operationally Efficient PTC Braking Enforcement Algorithm for Freight Trains: Appendices F
Subject
Braking Systems,
Positive Train Control,
Signal and Train Control
Keywords: Braking algorithm, enforcement algorithm, positive train control, PTC, train control, simulation, Monte Carlo simulation, adaptive enforcement algorithm, emergency brake backup
Report Number
DOT/FRA/ORD-13/34
Office
RRD