Rhode Island General Laws Title 31. Motor and Other Vehicles § 31-41.2-3.1. Installation and signage

(a) The implementing jurisdiction(s) shall post a warning sign at each system location where a traffic control signal monitoring system is located.

(b) Such warning signs shall conform to appropriate, federally accepted standards for traffic control signs.

(c) Sign signage shall remain at each system location so long as a traffic control signal monitoring system is in operation.