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52550
  
  

  2
Mar
2023
Forms and Templates
6180.167 -- Bridge Inspection Report Public Version Request Form

Subject
                    Bridge and Structures Safety
    8
Oct
2019
Technical Reports
Acoustical Warning Devices as Emergency Warning Systems, Phase 1
Author
          Federal Railroad Administration

Subject
                    Emergency Notification Systems,
                    Grade Crossing Technology

**Keywords:** Emergency warning, train horn, trespassers, music masking sounds, reaction time, acoustic warning device
**Abstract:** Acoustical warning devices are designed to warn trespassers of an approaching train. This study evaluated the urgency and detectibility of potential warning sounds.
Report Number
              DOT/FRA/ORD-19/40

  Office
              RDI-23
    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
    19
Apr
2017
Reference Materials
Emergency Notification System (ENS) - Get Help! Use the Blue ENS Sign
Author
          Federal Railroad Administration

Subject
                    Emergency Notification Systems

**Keywords:** Flyer

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