When hauling hazardous materials, you must check your dual tires:

Question

Accepted Answer

B: At the start of each trip, when you park, and each time you stop.. To ensure the safe transportation of hazardous materials it is important to check the dual tires of your vehicle before the trip and anytime that you make a stop and park.

When hauling hazardous materials, you must check your dual tires:

Oregon CDL HAZMAT Test Info