The Arizona Department of Transportation, Motor Vehicle Division issues permits for oversize/overweight loads on state routes. A local permit from the Tucson Police Department is required for travel on Tucson roads.
State requirements for oversize/overweight loads may be found in Arizona Administrative Code, Title 17, Chapter 6 and Arizona Revised Statutes, Title 28, Chapter 3, Articles 18 and 19.
In addition, City of Tucson requirements for oversize/overweight loads may be found in Tucson City Code, Chapter 20, Article 1, Sections 20-15, 20-15.1, 20-15.2, and 20-16.
Additional information
State permits: https://azdot.gov/mvd/services/enforcement/commercial-vehicle-permits