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[A2]
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Electronic Code of Federal Regulations
| e-CFR data is current as of December 10, 2019
TITLE 49—Transportation
Subtitle B—OTHER REGULATIONS RELATING TO TRANSPORTATION (CONTINUED) CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 234—GRADE CROSSING SAFETY
Subpart A—GENERAL
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| Application and responsibility for compliance. |
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Subpart B—REPORTS AND PLANS
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| Accidents involving grade crossing signal failure. |
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| Grade crossing signal system failure reports. |
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| State highway-rail grade crossing action plans. |
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Subpart C—RESPONSE TO CREDIBLE REPORTS OF WARNING SYSTEM MALFUNCTION AT HIGHWAY-RAIL GRADE CROSSINGS
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| Employee notification rules. |
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| Timely response to report of malfunction. |
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Subpart D—MAINTENANCE, INSPECTION, AND TESTING
Maintenance Standards
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| Operating characteristics of warning system apparatus. |
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| Adjustment, repair, or replacement of component. |
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| Interference with normal functioning of system. |
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| Security of warning system apparatus. |
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| Gate arm lights and light cable. |
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| Activation of warning system. |
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| Train detection apparatus. |
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| Reverse switch cut-out circuit. |
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| Tagging of wires and interference of wires or tags with signal apparatus. |
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| Protection of insulated wire; splice in underground wire. |
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| Wire on pole line and aerial cable. |
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Inspections and Tests
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| Purpose of inspections and tests; removal from service of relay or device failing to meet test requirements. |
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| Flashing light units and lamp voltage. |
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| Gate arm and gate mechanism. |
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| Warning system operation. |
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| Highway traffic signal pre-emption. |
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| Timing relays and timing devices. |
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| Insulation resistance tests, wires in trunking and cables. |
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| Insulated rail joints, bond wires, and track connections. |
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| Results of inspections and tests. |
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Requirements for Processor-Based Systems
Subpart E—EMERGENCY NOTIFICATION SYSTEMS FOR TELEPHONIC REPORTING OF UNSAFE CONDITIONS AT HIGHWAY-RAIL AND PATHWAY GRADE CROSSINGS
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| Emergency notification systems for telephonic reporting of unsafe conditions at highway-rail and pathway grade crossings. |
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| Remedial actions in response to reports of unsafe conditions at highway-rail and pathway grade crossings. |
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| Multiple dispatching or maintaining railroads with respect to the same highway-rail or pathway grade crossing; appointment of responsible railroad. |
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| Use of third-party telephone service by dispatching and maintaining railroads. |
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| ENS sign placement and maintenance. |
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| Electronic recordkeeping. |
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Subpart F—HIGHWAY-RAIL AND PATHWAY CROSSING INVENTORY REPORTING
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| Submission of data to the Crossing Inventory, generally. |
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| Submission of initial data to the Crossing Inventory for previously unreported crossings. |
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| Submission of initial data to the Crossing Inventory for new crossings. |
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| Submission of periodic updates to the Crossing Inventory. |
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| Changes requiring submission of updated information to the Crossing Inventory. |
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| Electronic recordkeeping. |
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| Appendix A to Part 234 [Reserved] |
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