I have been riding 3 wheelers since the mid 80's . I NEVER had a wreck on a 3 wheeler but I have had some bad spills on a 4 wheeler and a dirtbike. I see more wrecks on motorcycles and 4 wheelers than any model trike. The problem with a 4 wheeler is more weight and it was harder to get away from when it turned over on top of me from climbing a hill. The weight alone on some of the heavier more larger 4 wheelers can injure you. The 2 wheel motorcylce is a wreck waiting to happen, if you are not carefull you will lose control and must have a good balance to keep from falling over. The thing about motorcycles is you periodically put your feet on the ground for stability,,, and 3 wheelers are are dangerous and less stable? ...YA... RIGHT.. It is not the equipment , it is the operator. In my book the ATC is not dangerous at all, I think dirtbikes are the most dangerous. In all my years of experience I have rode many makes models of 4 wheelers ,motorcycles, 3 wheelers. I have to say the 3 wheeler was easier to control, more fun to ride. To make a long story short, it is the operator, not the machine that is dangerous. Just my opinion.