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  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
    1
Apr
2007
Research Results
Bridge Approaches and Track Stiffness
Author
          Donald Plotkin

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

**Keywords:** Bridge approach, track stiffness, track deflection, track modulus

Report Number
              RR07-12

  Office
              RDI-21 U.S. DEPARTMENT OF TRANSPORTATION

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