(i) Inland waterways are often more economical than other modes of transport because they require lower infrastructure costs, have lower fuel consumption, high cargo capacity, and offer lower operational costs, making them suitable for transporting large volumes of goods.
(ii) A well-developed transport network is important for industrial progress because it helps in connecting one part of the country with the other. It facilitates movement of raw material, fuel, machinery etc., to the points of production and finished goods to the points of marking and consumption. Thus, a well developed transport network is essential for industrialisation and urbanisation.
(iii) Airways are quite useful during natural calamity because it can be used to air-lift people from the affected areas and to air-drop food, medicines and other necessary things to calamity affected people.