Arizona Revised Statutes Title 28. Transportation § 28-701.02. Excessive speeds; classification

1. Exceed thirty-five miles per hour approaching a school crossing.

2. Exceed the posted speed limit in a business or residential district by more than twenty miles per hour, or if no speed limit is posted, exceed forty-five miles per hour.

3. Exceed the posted speed limit by more than twenty miles per hour in other locations.