Wheel Restraints Ask An Expert Request a Quote Request Service Or give us a call: 1-888-606-9415 Wheel restraints use a fixed track and/or a sliding chock mechanism to secure a trailer to the loading dock. The chock captures and applies force to the trailer’s wheels, preventing vehicle creep and premature trailer departure. Traditional vehicle restraints rely on contact with the trailer’s rear impact guard. However, those systems are not suitable for all trailer types. Trailers with lift gates, damaged impact guards or unconventional axle configurations require a different solution. For these types of trailers, truck wheel restraints are the best option for securing the trailer to the dock. Systems range from simple manual systems to automated systems with advanced vehicle detection and safety signaling capabilities.