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Title 49--Transportation
CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
PART 234--GRADE CROSSING SIGNAL SYSTEM SAFETY
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 | 234.1 | Scope. |
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| 234.3 | Application. |
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| 234.4 | Preemptive effect. |
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| 234.5 | Definitions. |
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| 234.6 | Penalties. |
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| 234.7 | Accidents involving grade crossing signal failure. |
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| 234.9 | Grade crossing signal system failure reports. |
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| 234.101 | Employee notification rules. |
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| 234.103 | Timely response to report of malfunction. |
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| 234.105 | Activation failure. |
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| 234.106 | Partial activation. |
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| 234.107 | False activation. |
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| 234.109 | Recordkeeping. |
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| 234.201 | Location of plans. |
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| 234.203 | Control circuits. |
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| 234.205 | Operating characteristics of warning system apparatus. |
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| 234.207 | Adjustment, repair, or replacement of component. |
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| 234.209 | Interference with normal functioning of system. |
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| 234.211 | Security of warning system apparatus. |
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| 234.213 | Grounds. |
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| 234.215 | Standby power system. |
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| 234.217 | Flashing light units. |
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| 234.219 | Gate arm lights and light cable. |
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| 234.221 | Lamp voltage. |
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| 234.223 | Gate arm. |
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| 234.225 | Activation of warning system. |
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| 234.227 | Train detection apparatus. |
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| 234.229 | Shunting sensitivity. |
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| 234.231 | Fouling wires. |
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| 234.233 | Rail joints. |
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| 234.235 | Insulated rail joints. |
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| 234.237 | Reverse switch cut-out circuit. |
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| 234.239 | Tagging of wires and interference of wires or tags with signal apparatus. |
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| 234.241 | Protection of insulated wire; splice in underground wire. |
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| 234.243 | Wire on pole line and aerial cable. |
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| 234.245 | Signs. |
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| 234.247 | Purpose of inspections and tests; removal from service of relay or device failing to meet test requirements. |
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| 234.249 | Ground tests. |
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| 234.251 | Standby power. |
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| 234.253 | Flashing light units and lamp voltage. |
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| 234.255 | Gate arm and gate mechanism. |
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| 234.257 | Warning system operation. |
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| 234.259 | Warning time. |
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| 234.261 | Highway traffic signal pre-emption. |
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| 234.263 | Relays. |
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| 234.265 | Timing relays and timing devices. |
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| 234.267 | Insulation resistance tests, wires in trunking and cables. |
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| 234.269 | Cut-out circuits. |
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| 234.271 | Insulated rail joints, bond wires, and track connections. |
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| 234.273 | Results of inspections and tests. |
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