The most dangerous way to travel is on a motorcycle.
With a motorcycle you have no protection around you like a car so if you slide into another vehicle or another vehicle hits you on the motorcycle you're likely to get very severe internal injuries, or even die instantly.
If you're on a motorcycle and then a vehicle in front of you suddenly stops and you have no time to stop the motorcycle in time then the motorcycle and your body will fly into the other vehicle.
You can then suffer severe injuries or even die.
Cars and trains and airplanes are considered a less dangerous way to travel but all of those ways are dangerous.
With a car you have more protection around you in the event of a car crash.
An airplane you're up in the sky away from other traffic and you have a very experienced pilot and with a train all you have to worry about is a possible derailment or crashing into a car or vehicle on a track crossing.