You've been asked to drive a fully loaded petrol tanker back to the depot. It has a maximum authorised mass of 10 tonnes. What must you have before you can drive this vehicle? You've been asked to drive a fully loaded petrol tanker back to the depot. It has a maximum authorised mass of 10 tonnes. What must you have before you can drive this vehicle?

• Possible answers:

   
• A. A request from the police to move a dangerous load
• B. A fully qualified tanker driver with you for the journey
• C. A valid ADR driver training certificate
• D. A copy of the vehicle's insurance certificate