R.I. Gen. Laws § 31-21-14: Opening vehicle doors.

No person shall open the door of a motor vehicle on the roadways, streets, or highways of this state, available to moving traffic, unless and until it is reasonably safe to do so, and can be done without interfering with the movement of other traffic, including pedestrians and bicycles on sidewalks, shoulders, or bicycle lanes. No person shall leave a door open on the side of a vehicle available to moving traffic, including pedestrians and bicycles on sidewalks, shoulders or bicycle lanes, for a period of time longer than necessary to load or unload passengers. Any person violating the provisions of this section shall be fined as provided in § 31-41.1-4.