{"data":{"id":"us-az/a.r.s.-28-702.04","jurisdiction":"us-az","citation":"A.R.S. § 28-702.04","heading":"Maximum speed limit on interstate highways outside urbanized areas and within certain counties; definition","body":"A. Except as provided in subsections C and D of this section, the speed limit for all types of motor vehicles is sixty-five miles per hour on the interstate system highways located outside of an urbanized area with a population of fifty thousand or more persons, except that the director may declare a lower speed limit on the highways pursuant to section 28-702.\n\nB. A person shall not drive a motor vehicle at a speed in excess of the maximum speed limit prescribed by this section.\n\nC. The director may order the increase of the maximum speed limit prescribed in subsection A of this section to seventy-five miles per hour on an individual interstate system highway subject to this section or on all of the interstate system highways in this state as prescribed in section 28-702.\n\nD. The speed limit for all types of motor vehicles is at least sixty-five miles per hour on the interstate system highways located in a county that has a population of three million or more persons unless all of the following apply:\n\n1. A reduction in the speed limit for operational efficiency is necessary as determined by a department-approved third-party engineering study or road safety assessment.\n\n2. An opportunity for public input is provided.\n\n3. The overall system capacity and transportation mobility will not be reduced.\n\nE. A violation of this section is a civil traffic violation, and the person is subject to a civil penalty that does not exceed the amount provided by section 28-1598.\n\nF. For the purposes of this section, \"urbanized area\" means an urbanized area as defined in the decennial census by the United States bureau of the census.","path":["Title 28 Transportation"],"source_url":"https://www.azleg.gov/ars/28/00702-04.htm","current_through":"2026-09-04","vintage":"2026-08-09","retrieved_at":"2026-09-04T00:49:56Z","sha256":"03f79c7f55159d2af97e458a78d9feb507d2b64451e7ace368b4cb011ede1a8d","source_id":"us-az","stale":true,"prev":"us-az/a.r.s.-28-702.03","next":"us-az/a.r.s.-28-703"},"notice":"GroundRules: Original legal text. Not legal advice."}