Transportation is the main artery of the city. A well-functioning transportation system must be closely linked with the three major elements of "people, vehicles, and roads." In order to optimize traffic efficiency and optimize the energy use and mobility efficiency of cities, countries have introduced smart mechanisms in recent years.

Ocean transportation, also known as "international ocean transportation", is an industry that provides maritime passenger or freight services, and is the most important mode of transportation in international logistics. It is a way of using ships to transport goods between ports in different countries and regions through sea lanes. It is most widely used in international cargo transportation, and ocean transportation has greatly changed the world.