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52550
  
  

  8
Dec
2023
Technical Reports
Virtual Block Track Circuit Assessment Report

Subject
                    Communications,
                    Train Control

**Keywords:** Virtual block track circuit, VBTC, Positive train control, PTC, Quasi-Moving block, QMB, Higher reliability and capacity train control, HRCTC, Virtual block
**Abstract:** The Federal Railroad Administration (FRA) sponsored Transportation Technology Center, Inc. (MxV Rail), in collaboration with a railroad technical advisory group (TAG), to...
Report Number
              DOT/FRA/ORD-23/41

  Office
              RDI-23
    8
Dec
2023
Technical Reports
Stakeholder Perceptions of the Fatigue and Safety of Locomotive Engineers
Author
          Federal Railroad administration

Subject
                    Human Factors

**Keywords:** Fatigue, safety, locomotive engineers, conductors, focus groups, stakeholders
**Abstract:** This report documents stakeholder perspectives and opinions on the fatigue and safety of freight locomotive engineers. This work follows an online survey sponsored by the...
Report Number
              DOT/FRA/ORD-23/40

  Office
              RDI-24
    8
Dec
2023
Technical Reports
PTC Communications: Cybersecurity Technology Review and Concept of Operations
Author
          Federal Railroad Administration

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
    20
Oct
2023
Technical Reports
Automated Train Operations (ATO) Safety and Sensor Development
Author
          Federal Railroad Administration

Subject
                    Train Control

**Keywords:** Automated train operations, ATO, sensor platform, SP, locomotive onboard sensor platform, locomotive-borne sensor platform, autonomous, train, sensors, train control
**Abstract:** The goal of the Automated Train Operations (ATO) Safety and Sensor Development Project was to define system requirements for a locomotive-borne sensor platform (SP) to support...
Report Number
              DOT/FRA/ORD-23/38

  Office
              RDI-23
    29
Sep
2023
Technical Reports
Development of a Bayesian Network-Based Accident Model for Hazmat Unit Trains
Author
          Federal Railroad Administration

Subject
                    Hazardous Materials,
                    Rolling Stock

**Keywords:** Risk analysis, unit trains, hazmat
**Abstract:** The objective of this research project was to develop a predictive risk model for the release of hazardous material transported in unit trains using data science techniques for...
Report Number
              DOT/FRA/ORD-23/37

  Office
              RDI-22

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