As two modes of land transportation: railway and road, railway can transport long distances, and the transportation cost will also decrease with the increase of distance and load. Safety is also an essential attribute of rail transport as it is the safest mode of transport after air transport.
Rail transit is a product of the industrial age and plays an important role in the economic development of Western Europe, North America, Japan and China. It represents a major advancement in land transportation technology.
It is not only able to carry heavy loads, but also has higher universality and speed. Rail transport offers the possibility of reliable and consistent timetables that can be included in the planning of economic activities such as production and distribution.
Using containers of the same basic size across the world makes it easier to transfer between trains of different gauges, thereby reducing problems caused by incompatible gauge sizes in different countries. With container trains, economies of scale can be easily achieved, with the marginal cost of each additional container falling.