US Patent 7645090 Traffic control speed bump

A method for at least slowing a vehicle moving along a surface, the method comprising: providing first and second panels rotatably disposed on the surface and capable of extending above the surface, wherein each of the first and second panels rotate in a different and opposite direction; providing at least one center panel disposed between the first and second panels, the center panel being capable of being deployed into a position extended from the surface; detecting at least one of a vehicle speed, vehicle type, and vehicle weight; and controlling one or more of the first, second, and center panels based on the detecting.