Buffing device, maintenance.
        
        
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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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                Rules and Instructions: All Systems
              
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                Roadway Signals and Cab Signals
              
- Buffing device, maintenance.
            
  Buffing device shall be maintained so as not to cause the signal to display a less restrictive aspect than intended. 
          
           
           
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