{"data":{"id":"us-az/a.r.s.-28-642","jurisdiction":"us-az","citation":"A.R.S. § 28-642","heading":"Traffic control signs on state highways; rules","body":"A. The director shall place and maintain traffic control devices that conform to the manual and specifications prescribed in section 28-641 on all state highways as the director deems necessary to indicate and to carry out this chapter or to regulate, warn or guide traffic.\n\nB. A local authority shall not place or maintain a traffic control device on a highway under the jurisdiction of the director except by the director's permission.\n\nC. In cooperation with local authorities, the director shall synchronize traffic control signals on a state highway that has a traffic flow exceeding fifteen thousand motor vehicles per day in a vehicle emissions control area as defined in section 49-541.\n\nD. The director shall adopt rules pursuant to title 41, chapter 6 to establish criteria for the installation and maintenance of directional signs for universities prescribed in section 15-1601, for community colleges as defined in section 15-1401 and for the campus of a regionally accredited college or university.","path":["Title 28 Transportation"],"source_url":"https://www.azleg.gov/ars/28/00642.htm","current_through":"2026-09-04","vintage":"2026-08-09","retrieved_at":"2026-09-04T00:49:56Z","sha256":"485f4cf0c74bd87ea810d0f879739e659e72d66d096e0aacb11a6932fd9e9637","source_id":"us-az","stale":true,"prev":"us-az/a.r.s.-28-641","next":"us-az/a.r.s.-28-643"},"notice":"GroundRules: Original legal text. Not legal advice."}