Automatic brake application, initiation by restrictive block conditions stopping distance in advance.
        
        
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            Law
          
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                CFR 49
              
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                Transportation
              
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                Other Regulations Relating to Transportation
              
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                Federal Railroad Administration, Department of Transportation
              
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                Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
              
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                Automatic Train Stop, Train Control and Cab Signal Systems
              
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                Standards
              
- Automatic brake application, initiation by restrictive block conditions stopping distance in advance.
            
  An automatic train-stop or train-control system shall operate to initiate an automatic brake application at least stopping distance from the entrance to a block, wherein any condition described in § 236.205 obtains, and at each main track signal requiring a reduction in speed. 
          
           
           
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