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  12
Jul
2022
Research Results
Positive Train Control Passenger Braking Algorithm Enhancement – Phase II
Author
          Federal Railroad Administration

Subject
                    Positive Train Control

**Keywords:** Positive Train Control, PTC, braking, braking algorithm enhancements, field testing, EMU, DMU, enforcement algorithm

Report Number
              RR 22-12

  Office
              RDI-23
    28
Sep
2021
Research Results
Broken Rail and Rollout Detection to Support QMB Operations
Author
          Federal Railroad Administration

Subject
                    Positive Train Control

**Keywords:** Quasi-Moving Block (QMB), next generation track circuit, NGTC, track circuit enhancements

Report Number
              RR 21-21

  Office
              RDI-23
    13
Aug
2021
Research Results
Monitoring and Analysis of the Integrated Network (MAIN) Phase II Research Results
Author
          Federal Railroad Administration

Subject
                    Positive Train Control

**Keywords:** MAIN, MAIN-CDX, PTC, ITC, ITCSM, troubleshooting, interoperability, CONOPS, GUI, API, manual-to-manual, manual-to-auto, auto-to-manual, auto-to-auto

Report Number
              RR 21-14

  Office
              RDI-23
    27
Apr
2021
Research Results
Centralized Interlocking (CIXL) for Moving Block Research Project
Author
          Federal Railroad Administration

Subject
                    Positive Train Control

**Keywords:** Centralized interlocking system, CIXL, Quasi-Moving Block, QMB, Positive Train Control, PTC, Communications-Based Train Control, CBTC, control point, CP, Wayside Status Messages, WSM, railroad, train control

Report Number
              RR 21-07

  Office
              RDI-23
    6
Nov
2020
Research Results
Track Data Auditing System – Phase II
Author
          Federal Railroad Administration

Subject
                    Positive Train Control

**Keywords:** Track Data Auditing System, TDAS, process management subsystem, data collection subsystem, data comparison subsystem, Positive Train Control, PTC, PTC critical asset audit, track data audit

Report Number
              RR 20-22

  Office
              RDI-23

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