As used in this chapter unless the context requires another interpretation:

   (1)   “Department” means the department of transportation.

   (1m)   “Division of hearings and appeals” means the division of hearings and appeals in the department of administration.

   (1r)   “Intelligent transportation system” means a specialized computer system or other electronic, information processing, communication, or technical system, including roadway detector loops, closed circuit television, permanent variable message signs, or ramp meters, that is used to improve the efficiency or safety of a surface transportation system.

   (2)   “Secretary” means the secretary of transportation.