Retractable post
Safety crossing gate
Safety device for motorized access passageways
Safety gate and guard for such a gate
Safety mechanism for highway exit ramp
Safety pole
Security barrier reinforcing system
Security barrier system
Security gate
Security gate
Traffic control apparatus
Turnstile assembly
Two directional crossing gate arm protection assembly
Vehicle anti-theft parking space device
Vehicle barricade
Vehicle barricade or maximum security barrier
Vehicle barrier
Vehicle barrier
Vehicle barriers
Vehicle control arm device