20 ILCS 2705/2705-125
The Department has the power to administer, exercise, and enforce the rights, powers, and duties presently vested in the Illinois State Police and the Division of State Troopers under the Illinois Vehicle Inspection Law, in the Illinois Commerce Commission, in the State Board of Education, and in the Secretary of State under laws relating to the safety inspection of motor vehicles operated by common carriers, of school buses, and of motor vehicles used in the transportation of school children and motor vehicles used in driver exam training schools for hire licensed under Article IV of the Illinois Driver Licensing Law or under any other law relating to the safety inspection of motor vehicles of the second division as defined in the Illinois Vehicle Code.
20 ILCS 2705/2705-125