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                Recording Devices for Interconnected Grade Crossing and Intersection Signal Systems: An Informational Report
recording_devices.pdf (14.12 MB)


**FHWA Safety Program**

**FHWA-SA-12-020**

**October 12, 2012**







**Quality Assurance Statement**

**This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the data published herein. The contents do not necessarily reflect the official view or policies of the Federal Highway Administration (FHWA). The U.S. Government assumes no liability for the use of the information contained in this document. This report does not constitute a standard, specification, or regulation.**

**Notice**

**The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers' names appear in this report only because they are considered essential to the objective of the document.**

**Quality Assurance Statemen**

**The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement.**



**Acronyms**

Term
			DefinitionAHWS
			Automatic Highway Warning SystemAREMA
			American Railway Engineering and Maintenance-of-Way AssociationATC
			Advanced Transportation ControllerCFR
			Code of Federal RegulationsDIR
			Direction of TrainFHWA
			Federal Highway AdministrationFRA
			Federal Railroad AdministrationHRI
			Highway Railroad IntersectionICO
			Island Circuit OccupiedIEEE
			Institute of Electrical and Electronics EngineersIMSA
			International Municipal Signal AssociationLTI
			Long Term Obstacle IndicatorMUTCD
			Manual on Uniform Traffic Control DevicesNEMA
			National Electrical Manufacturers AssociationNGD
			Entrance Gate DownNGP
			Entrance Gate PresentNGU
			Entrance Gate UpNTSB
			National Transportation Safety BoardPEA
			Preemption Warning ActivePER
			Preemption RelayPSP
			Product Safety PlanRSO
			Roadway System OperationalRSPP
			Railroad Safety Program PlanSO
			System Operational (railroad)TPD
			Train Presence DetectionUSDOT
			United States Department of TransportationVAS
			Vehicle Arrestor Barrier StatusVP
			Vehicle PresenceWSA
			Warning System ActiveXGD
			Exit Gate DownXGP
			Exit Gate PresentXGU
			Exit Gate UpXR
			Grade Crossing Relay
      
  Technical Report Documentation Page
                CHAPTER 1. INTRODUCTION
                CHAPTER 2. CONVEYING CHANGES IN HORIZONTAL ALIGNMENT
                CHAPTER 3. TECHNICAL AND POLICY INFORMATION
                CHAPTER 4. MODEL STRATEGY FOR ESTABLISHING REGULAR JOINT INSPECTIONS OF INTERCONNECTED SYSTEMS
                REFERENCES
                APPENDIX A: IGOR INFORMATIONAL BROCHURE
                APPENDIX B: HIGHWAY AGENCY AND RAILROAD QUESTIONNAIRES
                APPENDIX C: EXAMPLE BLOCK DIAGRAMS/WIRING DIAGRAMS
                APPENDIX D: HIGHWAY SIGNAL PREVENTATIVE MAINTENANCE CHECKLIST
                APPENDIX E: RAILROAD 49 CFR TESTING AND INSPECTION REGULATION DETAILS
                APPENDIX F: SAMPLE INSPECTION AND DIAGNOSTIC REVIEW FORMS
                APPENDIX G: SAMPLE AGREEMENTSBook traversal links for Recording Devices for Interconnected Grade Crossing and Intersection Signal Systems: An Informational Report
      Technical Report Documentation Page › U.S. DEPARTMENT OF TRANSPORTATION

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