Ind. Code § 8-9-11-3
A contract carrier shall do the following:
(1) Limit the hours of service by a driver who transports a railroad employee to:
(2) Require a driver who has:
(B) fifteen (15) hours of on duty service per day;
to have at least eight (8) consecutive hours off duty before operating a vehicle again.
As added by P.L.109-2000, SEC.1.