USA Banner
  U.S. flag
              An official website of the United States government Here's how you knowOfficial US Government Icon
              **Official websites use .gov**A **.gov** website belongs to an official government organization in the United States.
            Secure Site Icon
              **Secure .gov websites use HTTPS**
                  A **lock** ( A locked padlock ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. 
 U.S. Department of Transportation Icon United States Department of Transportation
 Search DOT
            Search
                    About FHWAFHWA Organization
                Headquarters Offices
                Field Offices
                Strategic Plan
                Business Opportunities
                Staff Directories
                Careers
                Highway History
                Contact UsProgramsAcquisition Management
                Civil Rights
                Federal Lands Highway
                Infrastructure
                Innovative Program Delivery
                Operations
                Planning, Environment, and Realty
                Policy
                Research, Development, and Technology
                Safety
                Browse by TopicsResourcesCore Highway Topics
                Federal Aid Essentials
                Automation
                Complete Streets
                Laws and Regulations
                Policy & Guidance Center
                Section 508
                Publications and Statistics
                Professional Development
                National Highway Institute
                Resource Center
                Accessibility Resource Library
                FHWA Research LibraryNewsroomPress Releases
                Speeches & Testimony
                Photos
                Videos
                Media ContactsMenu FHWA Highway Safety Programs Home
                        Recording Devices for Interconnected Grade Crossing and Intersection Signal Systems: An Informational Report


            
            In This Section
        Highway Safety Improvement Program (HSIP)
                                Overview
                About
                Planning
                Implementing
                Evaluating
                Reporting
                Noteworthy Practices
                Legislation and Guidance
                Resources
                HSIP Special Rules
                Strategic Highway Safety Plan (SHSP)
                                Overview
                About
                Develop
                Implement
                Evaluate
                Promote
                Legislation and Guidance
                Resources
                Noteworthy Practices
                Safety Performance Measure
                                Overview
                State Safety Performance Targets
                Policy & Guidance
                Fact Sheets & Informational Webinars
                Target-Setting Resources
                Safety Data Resources
                State Safety Reports
                Safety Contacts
                Technical Assistance & Training
                Railway Highway Crossing Program
                                Overview
                Policy and Guidance
                Resources
                
                APPENDIX A: IGOR INFORMATIONAL BROCHURE
Photo. IGOR Informational Brochure page 1


Photo. IGOR Informational Brochure page 2


Photo. IGOR Informational Brochure page 3


Photo. IGOR Informational Brochure page 4
      
  Book traversal links for APPENDIX A: IGOR INFORMATIONAL BROCHURE
      ‹ REFERENCES
                    Up
                    APPENDIX B: HIGHWAY AGENCY AND RAILROAD QUESTIONNAIRES ›
                
                Book:Recording Devices for Interconnected Grade Crossing and Intersection Signal Systems: An Informational Report
              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 AGREEMENTS U.S. DEPARTMENT OF TRANSPORTATION

**Federal Highway Administration**

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

202-366-4000Subscribe to email updates
                    About
  

        
              About FHWA
                Careers
                Org Chart
                Staff Directories
                Work with UsPrograms
  

        
              Acquisition Management
                Civil Rights
                Federal Lands Highway
                Infrastructure
                Innovative Program Delivery
                Operations
                Planning, Environment, and Realty
                Policy
                Research, Development, and Technology
                SafetyPolicies, Rights, Legal
  

        
              About DOT
                Accessibility
                Budget and Performance
                Civil Rights
                FOIA
                Information Quality
                No FEAR Act
                Office of Inspector General
                Privacy Policy
                USA.gov
                Web Policies and Notices
                Web StandardsNews & Events
  

        
              Newsroom
                Press Releases
                Speeches & Testimony
                Media Contacts
                Connect with Us