The VBR-300 Dok-Lok Vehicle (trailer) restraint is a ground stored, vertical barrier restraint that addresses accidents caused by the basic types of trailer separation. 
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    Exclusive Barrier Design      
    
        - 4.25" (108 mm) high barrier with reverse taper design provides the highest and widest coverage on RIG's.
 
    
    Positive Engagement Notification      
    
        - Truck presence bar is depressed upon positive engagement with RIG signaling safe engagement.       
 
        - Exclusive mag res switch design will not come out of adjustment ensuring proper communication when engaged or disengaged.       
 
        - Automatic re-fire if barrier loses contact with RIG.
 
    
    Safe, constant contact against RIG       
    
        - Hydraulic cylinder powers the restraint into position.       
 
        - Mechanical springs provide constant contact and float with RIG while loading/unloading.      
 
        - Automatic re-fire if barrier loses contact with RIG.