Road Blockers are motorized security barricades, also known as Active Vehicle Barriers (AVB) often crash or impact tested to provide high security protection from threatening terrorist attacks. Road blockers are considered to be the highest levels of security for vehicle control, for the protection from unwanted vehicles entry that have a risk of a hostile attack. Usually installed for premises such as banks, embassies, military areas, etc… Most of the times, road blockers are operated by a hydraulic system and can be surface mounted, installed In the ground or even mobile for special events or temporary premises.