Ill. Admin. Code tit. 92, § 3400.2000
d) A contract carrier shall limit the hours of service by a driver transporting employees in the course of their employment on a road or highway of this State in a vehicle designed to carry 15 or fewer passengers to 12 hours of vehicle operation per day, 15 hours of on-duty service per day, and 70 hours of on-duty service in 7 consecutive days. The contract carrier shall require a driver who has 12 hours of vehicle operation per day or 15 hours of on-duty service per day to have at least 8 consecutive hours off duty before operating a vehicle again. (Section 18b-106.1 of the Law) If the driver drives over 12 hours per day or performs more than 15 hours of on-duty service per day, the driver must complete a log book for that day.
(Recodified from 92 Ill. Adm. Code 395 (Department of Transportation) pursuant to P.A. 104-0025, at 49 Ill. Reg. 12557)