R.I. Gen. Laws § 31-23-42.2: Power equipment on school buses.

(a) Every new school bus within the state shall be equipped with a dual braking system, including a power braking system, and power steering.

(b) All school buses, model year 2010 and newer, shall have emergency brakes that are equipped with an interlock system so designed that the emergency brake may be released only when the service brake pedal is depressed and the ignition key is inserted in the ignition lock.