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52550
  
  

  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
    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
    17
Dec
2015
Reference Materials
ENS Penalty Schedule

Subject
                    Emergency Notification Systems

**Keywords:** ENS, Penalty Schedule
    16
Sep
2015
Policy and Guidance
What is the Minimum Width for Non-Level Boarding?
Author
          Office of the Secretary, General Counsel

Subject
                    Civil Rights

**Keywords:** ADA, Minimum Width, Non-Level Boarding
    24
Jun
2015
Policy and Guidance
ADA & Level Boarding - Consolidated Questions and Answers
Author
          Office of the Secretary, General Counsel

Subject
                    Civil Rights

**Keywords:** ADA, Level Boarding, platform

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