Here are some tips drivers need to know before driving any cheap car rental in Arizona. Arizona prohibits drunk driving and having a blood alcohol concentration of 0.08% or above attracts a fine. Consider using a hands-free kit while driving car rentals in Arizona as distracted driving is an offense. Stick to a maximum speed of 30 mph in residential and urban centers, 75 mph when driving Arizona car rentals on rural interstates, and 65 mph on urban interstates. Ensure all car occupants have securely fastened their seatbelts while driving car rentals in Arizona and place all children under eight in a child safety seat. To be on the safe side, we recommend checking up with Arizona’s DMV for any recent traffic law changes.