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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
    1
Oct
2003
Technical Reports
Study of Bridge Approach and Track Transition Degradation: Factors and Mitigation
Author
          Lamont Smith, Brian Doe, Dingqing Li, Duane Otter, Shakoor Uppal

Subject
                    Bridge and Structures Safety

**Keywords:** Track Transition, Geometry Degradation, Factors and Causes
**Abstract:** Efforts have been made to reduce or eliminate track geometry degradation at bridge approaches and special trackwork zones for more than a century. This is a common problem that...
Report Number
              DTFR53-01-H-00305

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