Only if all the seats in the towing vehicle are full
Yes, if they are over fourteen
No, not at any time
Only if a stabiliser is fitted
Explanation: Riding in a towed caravan is highly dangerous. The safety of the entire unit is dependent on the stability of the trailer. Moving passengers would make the caravan unstable and could cause loss of control.
Category: Vehicle Loading
References: The official DVSA guide to driving: section 881