Fear of trains fear about rail travel was heightened after British surgeon John Eric Erichsen described a post-traumatic diagnosis known as railway spine or "Erichsen's disease". People diagnosed with this had no obvious injury and were rejected as fake. Nowadays it is known that traffic accidents may cause posttraumatic stress disorder. It has been variously called as "train phobia", "railroad phobia", "dread of railway travel", etc. The German term "Eisenbahnangst" used, e.g., by Sigmund Freud was literally converted into Greek as "siderodromophobia" (Eisen = sideron = iron, Bahn = dromos = way, Angst = phobos = fear). In cases when this anxiety exceeds
Mode of transport satellites into orbit, and conduct scientific experiments. However, man has landed on the moon, and probes have been sent to all the planets of the Solar System. Unmanned aerial vehicle transport (drone transport) is currently being tested by Amazon.com and other transportation companies. This method will allow short-range small-parcel delivery in a short time frame. A transport mode is a combination of the following: Purpose of Transport : Freight & Passenger movement and mobility are core components of a transport system. Worldwide, the most widely used modes for passenger transport are the Automobile (16,000 bn passenger km), followed by Buses