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52550
  
  

  23
Feb
2018
Research Results
Performance of Rail Fastening Systems on an Open-Deck Bridge
Author
          Federal Railroad Administration

Subject
                    Bridge and Structures Safety

**Keywords:** Rail fastening systems, track gage strength, bridges, open-deck bridges
**Abstract:** Transportation Technology Center, Inc. (TTCI) monitored the performance of rail fasteners on an open-deck bridge and its approaches, located at Norfolk Southern Corporation’s (...
Report Number
              RR 18-02

  Office
              RDI-21
    1
Sep
2017
Research Results
Bridge Approach Remedies Implemented at Western Mega Site
Author
          Federal Railroad Administration

Subject
                    Bridge and Structures Safety

**Keywords:** Heavy axle load (HAL), track transition, bridge approach
**Abstract:** As part of the heavy axle load (HAL) revenue service mega site testing program, the Transportation Technology Center, Inc. (TTCI) has worked closely with the Union Pacific...
Report Number
              RR 17-10

  Office
              RDI-21
    9
Jun
2015
Technical Reports
Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors
Author
          Federal Railroad Administration

Subject
                    Bridge and Structures Safety

**Keywords:** Campaign Monitoring of Railroad Bridges in High-Speed Rail Shared Corridors using Wireless Smart Sensors; Railroad bridge safety; bridge performance monitoring; wireless sensors; campaign monitoring
**Abstract:** This research project used wireless smart sensors to develop a cost-effective and practical portable structural health monitoring system for railroad bridges in North America. The...
Report Number
              DOT/FRA/ORD-15/19

  Office
              RDI-21
    20
Feb
2013
Technical Reports
Characterization of Railroad Bridge Service Interruptions
Author
          Richard Joy, Mary Clara Jones, Duane Otter, and Luis Maal

Subject
                    Bridge and Structures Safety,
                    Track,
                    Tracks & Structures,
                    Track/Train Interactions

**Keywords:** bridge problems, risk control matrix, Railroad Bridge Service Interruption Database
**Abstract:** The Federal Railroad Administration contracted Transportation Technology Center, Inc., to study bridge problems that cause accidents or service interruptions and to use this...
Report Number
              DOT/FRA/ORD-13/05

  Office
              RRD
    1
Jul
2012
Technical Reports
Cognitive and Collaborative Demands of Freight Conductor Activities: Results and Implications of a Cognitive Task Analysis
Author
          Hadar Rosenhand, Emilie Roth, and Jordan Multer

Subject
                    Human Factors,
                    Railroad Safety Technical Training Standards

**Keywords:** Cognitive task analysis, CTA, freight rail, freight conductor, conductor training, Rail Safety Improvement Act, RSIA, positive train control, PTC, conductor certification
**Abstract:** This report presents the results of a cognitive task analysis (CTA) that examined the cognitive and collaborative demands placed on conductors, as well as the knowledge and skills...
Report Number
              DOT/FRA/ORD-12/13

  Office
              RRD

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