A system for controlling a driving speed of a vehicle on a roadway comprising: a. at least one speed bump, b. at least one bearing device and c. at least one damping device, d. wherein the speed bump is mounted on the bearing device to be movable relative to the roadway between a rest position and a passing position for a vehicle to pass over the speed bump more easily than in the rest position, e. wherein the speed bump can be deflected from the rest position into the passing position by driving over the speed bump with the vehicle at a deflection speed (v) dependent on the driving speed of the vehicle, f. wherein the damping device is connected to the speed bump and the roadway for damping a deflection movement of the speed bump from the rest position, g. wherein the damping device has a damping force that is dependent on the deflection speed (v), h. wherein the system is designed so that the deflection speed (v) can lie in a passing range from 0 to an activation speed (v a), in a switching range from the activation speed (v a) to a braking speed (v b), or in a braking range above the braking speed (v b), i. wherein the system is designed so that driving over the speed bump at a target speed causes the speed bump to deflect at the activation speed (v a), j. wherein the system is designed so that the damping force is greater at a deflection speed (v) in the braking range than at a deflection speed (v) in the passing range, and k. wherein the system is designed so that a gradient of the damping force versus the deflection speed (v) is greater at a deflection speed (v) in the switching range than at a deflection speed (v) in the passing range and in the braking range, characterised in that l. the system is designed so that the braking range extends from the braking speed (v b) to a maximum speed (v max), m. wherein the system is designed so that the damping force is smaller at a deflection speed (v) above the maximum speed (v max) than at a deflection speed (v) in the braking range. a. at least one speed bump, b. at least one bearing device and c. at least one damping device, d. wherein the speed bump is mounted on the bearing device to be movable relative to the roadway between a rest position and a passing position for a vehicle to pass over the speed bump more easily than in the rest position, e. wherein the speed bump can be deflected from the rest position into the passing position by driving over the speed bump with the vehicle at a deflection speed (v) dependent on the driving speed of the vehicle, f. wherein the damping device is connected to the speed bump and the roadway for damping a deflection movement of the speed bump from the rest position, g. wherein the damping device has a damping force that is dependent on the deflection speed (v), h. wherein the system is designed so that the deflection speed (v) can lie in a passing range from 0 to an activation speed (v a), in a switching range from the activation speed (v a) to a braking speed (v b), or in a braking range above the braking speed (v b), i. wherein the system is designed so that driving over the speed bump at a target speed causes the speed bump to deflect at the activation speed (v a), j. wherein the system is designed so that the damping force is greater at a deflection speed (v) in the braking range than at a deflection speed (v) in the passing range, and k. wherein the system is designed so that a gradient of the damping force versus the deflection speed (v) is greater at a deflection speed (v) in the switching range than at a deflection speed (v) in the passing range and in the braking range, characterised in that l. the system is designed so that the braking range extends from the braking speed (v b) to a maximum speed (v max), m. wherein the system is designed so that the damping force is smaller at a deflection speed (v) above the maximum speed (v max) than at a deflection speed (v) in the braking range.