1. Advantages: huge delivery capacity; cheap bulk transportation; all-weather (less affected by weather, season and other natural conditions), can guarantee.
The regularity and continuity of the certification operation; strong planning, safety, and punctuality; fixed costs account for a large proportion of the total transportation costs (usually 60%)
Revenue increases with the increase in transportation business.
2. Disadvantages: large investment in construction and long construction time;
long time from departure and end to operation, not conducive to short-distance transportation business;
affected by rail;
Restrictions and poor flexibility;
large investment in construction projects such as roadbeds and stations.
