Governing Law and Regulations
Arizona Department of Transportation (ADOT)
Arizona Department of Public Safety (DPS) Highway Patrol Division
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Arizona has adopted the federal hazardous materials regulations as they apply to the transportation of hazardous materials by motor carriers and also makes them applicable to the public sector.
• Administration and enforcement. ADOT and DPS's Highway Patrol Division administer and enforce the hazardous materials transportation rules.