Water transport is the cheapest and the oldest mode of transport. It operates on a natural track and hence does not require huge capital investment in the construction and maintenance of its track except in case of canals. The cost of operation of water transport is also very less. It has the largest carrying capacity and is most suitable for carrying bulky goods over long distances.
There are numerous advantages of road transport in comparison to other modes of transport
Air transport is the most recent mode of transport. It is the gift of the 20th century to the world. The two world wars gave a great impetus to the development of air transport in almost all the countries of the world.
It is the fastest mode of transport. But the cost of its operation is very high