of control when one wheel tire locks up before the other in situations where the spikes only penetrate one tire an electric switch located in a handle will activate an electrical breakaway connector placed between the spike assembly and cable on either side and be activated by the officer attempting deployment a battery electrical supply can be placed proximate to the handle if needed it is anticipated that the invention can be used with other conventional law enforcement technologies the system of the prevent invention may be extremely useful when used in conjunction with an aircraft in such a situation a law enforcement pilot would advise ground officers of an appropriate location for deployment narrow lane or street the vehicle can be stopped minimizing danger to the public and law enforcement a further embodiment of the invention is shown at fig7 to 14 the embodiment of these figures is fabricated primarily for polymer composites it is not limited to these materials the device comprises a first external assembly 31 of two heavy gauge wall parts 30 capable of handling continuous heavy load vehicle flow in profile a first triangular part 32 forms the base a second half circular part profile 34 rotates 180 degrees within the base part 32 attached at either end and driven by electric motor in disarmed mode the rotating part 34 is closed the.