(1) It is the purpose of this subchapter to make uniform the use of electrical traffic control signal devices in the State of Arkansas in order to promote the public safety and welfare.
(2) All electrical traffic control signal devices used in the State of Arkansas on any public street, road, or highway shall be in conformance with the provisions of this subchapter, and it shall be unlawful to use any device that violates the provisions of this subchapter.