R.I. Gen. Laws § 39-6-27: Safety, sanitation, and adequate shelter for railroad employees.

(a) The public utilities administrator is hereby authorized to promulgate and enforce reasonable rules and regulations relating to safety, sanitation, and adequate shelter as affecting the welfare and health of railroad trainpersons, engine persons, yard persons, maintenance of way employees, highway crossing watchpersons, clerical, platform, freight house, express employees, station agents, and signal station operators.

(b) In addition to any rules and regulations promulgated by the public utilities administrator as set forth in this section, the public utilities commission shall promulgate rules and regulations and provide for penalties for the violation thereof with respect to the installation of heaters and safety equipment on track motor vehicles or self-propelled equipment.