Crossing control arms designed for school buses are mounted on the front bumper and are activated with the stop arm at school bus stops. The arm extends approximately six feet in front of the bus so that children cross in front of the bus at a safe distance away from the bus. SMI cross arms meet all OEM, North American Federal and State specifications, performance guidelines and functional requirements. Specific features and options listed below.
6 Series Solid State Crossing Arm
5.5 Series Sentinel Cross Arm
2000 series Air Operated Cross Arm
4100 Series Single Pole Cross Arm
4500 Series Curved Polyrod Cross Arm
4600 Series Straight Polyrod Cross Arm
7 Series Solid State Straight Poly Rod Cross Arm