What are the main modes of transportation?

1. Railway transportation: Railway transportation is one of the most effective land transportation modes known. Rails can provide extremely smooth and hard medium for train wheels to roll with minimal friction.

2. Road transportation: Road transportation generally refers to automobile transportation. In remote and economically backward areas with rugged terrain, sparse population, underdeveloped railways and waterways, highways are the main modes of transportation and play the role of trunk lines.

3. Waterway transportation: Waterway transportation is a mode of transportation with ships as the main means of transportation, ports or port stations as the transportation base, and waters including oceans, rivers and lakes as the scope of transportation activities.

4. Air transportation: it is a mode of transportation that uses aircraft such as airplanes and helicopters to transport people, goods and mail.

5. Pipeline transportation: Pipeline transportation is a long-distance transportation mode of liquid and gas substances using pipelines as transportation tools. It is a special mode of transportation to transport petroleum, coal and chemical products from the place of origin to the market, and it is a special part of trunk transportation in the unified transportation network.