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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
    26
May
2017
Research Results
Industry Survey of Bolsters and Side Frames Removed from Service
Author
          Federal Railroad Administartion

Subject
                    Best Practices,
                    Facilities & Test Equipment,
                    Rolling Stock

**Keywords:** Bolster, side frame, casting, survey, steel
**Abstract:** Transportation Technology Center, Inc. (TTCI) conducted an industry survey of defective bolsters and side frames removed from service. Scrapped components (approximately 70...
Report Number
              RR 17-07

  Office
              RDI-22
    13
Jan
2017
Technical Reports
Weld Repair of Manganese Frogs for Enhanced Performance
Author
          Federal Railroad Administration

Subject
                    Best Practices,
                    Rail and Infrastructure Integrity,
                    Track

**Keywords:** Reciprocating wire feed, constant voltage, Flux-Cored Arc Welding, heat-affected zone, radiographic testing, Shielded Metal Arc Welding, ultimate tensile strength, yield strength.
**Abstract:** When special trackwork contact surfaces (such as manganese-steel turnout frogs) become worn and damaged, they can be repaired to extend their lifetime, but current repair...
Report Number
              DOT/FRA/ORD-17/01

  Office
              RRD
    2
Mar
2016
Other Reports
Section 610 Periodic Review of Railroad Accidents/Incidents: Reports Classification and Investigations (49 CFR Part 225)
Author
          Federal Railroad Administration

Subject
                    Accident Investigations,
                    Best Practices

**Keywords:** economic impact
**Abstract:** The purpose of this document is to provide information and further details on the determination of the economic impact on small entities of 49 CFR Part 225, Railroad Accidents/...
Office
              RRS

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