Suspension of a driver’s license implicates a protectable liberty interest.  In Wall v. King, the court was faced with the contention that the personal liberty provision of the due process clause should be extended to cover the use of a motor vehicle.  After careful analysis, the court accepted this proposition, remarking:  “We have no doubt that the freedom to make use of one’s own property, here a motor vehicle, as a means of getting about from place to place, whether in pursuit of business or pleasure, is a `liberty’ which under the Fourteenth Amendment cannot be denied or curtailed by a state without due process of law.”  Id.