of individual snaring members can be at least approximately the circumference of a tire on a vehicle that is to be immobilized for example for a tire having a diameter or 33 inches the length of the snaring members 4 and 5 can be at least approximately 90 inches sizes and shapes of individual snaring members can also be varied based on the anticipated size and potential speed of a vehicle that is expected to be immobilized individual snaring members can be packaged e g accordion folded rolled or a combination thereof within the speed bump 1 so as to control the speed and withdrawal of the snaring member from the speed bump 1 in the second or partially deployed configuration of the device 100 shown in fig1 b an exposed spike 6 is disposed outside of the speed bump 1 the spike 6 which is one of the series of spikes 3 can be deployed pyrotechnically mechanically e g resiliently biased by a spring electrically pneumatically or by any other suitable technique using an actuator 10 in the embodiment shown in fig1 b an inflatable bladder 10 disposed inside the speed bump 1 can be used to pneumatically deploy the spike 6 according to other embodiments spikes can be deployed by various motions including translation pivoting combinations thereof or any other suitable form of movement referring additionally to fig2 which illustrates a method according to an embodiment of the present disclosure for immobilizing a vehicle using the device.