R.I. Gen. Laws § 31-3.2-6: Rules and regulations.

(a) With a view of achieving maximum use of snowmobiles and/or recreational vehicles, the director of natural resources shall adopt rules and regulations for the following purposes:

(1) Registration of snowmobiles and recreational vehicles and display of registration numbers.

(2) Use of snowmobiles and recreational vehicles insofar as game and fish resources are affected.

(3) Use of snowmobiles and recreational vehicles on public lands and waters under the jurisdiction of the director.

(4) Uniform signs to be used by the state, counties, cities and towns, which are necessary or desirable to control, direct, or regulate the operation and use of snowmobiles and recreational vehicles.

(5) Specifications relating to snowmobiles and recreational vehicles’ mufflers.

(b) The administrator of the division of motor vehicles may adopt rules and regulations not inconsistent with this chapter in the manner provided by this title regulating the use of snowmobiles and recreational vehicles on streets and highways.