R.I. Gen. Laws § 2-15-5: Removal of injurious plants.

The tree warden, the department of transportation, the department of environmental management or the park commission of any town or city or any state agency, may cause to be removed any trees or other plants within the limits of public highways or grounds under their respective jurisdiction, that are injurious plants or are obnoxious as hosts of insects or fungus pests. Any tree removed for any reason except for interference with public health or safety, within the limits of public highways shall be replaced by the state agency removing the tree as soon as weather conditions permit.