Can you have a passenger on road legal quad?

It depends on the jurisdiction and the specific road legal quad in question. In some countries, it may be legal to have a passenger on a road legal quad, while in others it may not. Additionally, the specific road legal quad may have restrictions on the number of passengers it can carry. It is important to check the local regulations and the manufacturer's specifications to determine if it is legal to have a passenger on a particular road legal quad.