Standards

  1. Law
  2. CFR 49
  3. Transportation
  4. Other Regulations Relating to Transportation
  5. Federal Railroad Administration, Department of Transportation
  6. Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
  7. Automatic Block Signal Systems
  8. Standards

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Section
236.201

Track-circuit control of signals.

Section
236.202

Signal governing movements over hand-operated switch.

Section
236.203

Hand operated crossover between main tracks; protection.

Section
236.204

Track signaled for movements in both directions, requirements.

Section
236.205

Signal control circuits; requirements.

Section
236.206

Battery or power supply with respect to relay; location.

Section
236.207

Electric lock on hand-operated switch; control.