Rhode Island General Laws Title 31. Motor and Other Vehicles § 31-12-11. Uniformity of application

The provisions of chapters 12 -- 27 of this title shall be applicable and uniform throughout this state and in all political subdivisions and municipalities in the state, and no local authority shall enact or enforce any ordinance, rule, or regulation in conflict with the provisions of chapters 12 -- 27 of this title unless expressly authorized in them.