117.42—Remotely operated and automated drawbridges.
        
        (a) 
         Upon written request by the owner of a drawbridge, the District Commander may authorize a drawbridge to operate under an automated system or from a remote location.
    
    
        
        (b) 
         If the request is approved, a description of the full operation of the remotely operated or automated drawbridge will be added to subpart B of this part.