I prefer traveling by traine. It's not always the fastest way of traveling, but, thoug, the safest. Railway accidents happen very seldom. Besides, it's quite comfortable to travel by train: you have place where to sleep, you can eat there and there is a toilet.
Airway travel is the quickest, but there are some underwater rocks. It's not allowed to bring many things into the plane. For example, drugs or animals. Airway trips are safe and accidents happen quite seldom, but if it happens, you won't have probably any chance to survive.
I think that traveling by car is the most dangerous type of traveling. Car accidents are happening more and more often. And if you drive your car according to the rules, it won't guarantee that people, that drive their cars next to you, are doing the same. Drunk people may just take your life, nothing more or less.