Multimodal Transportation: Approaches, Formation Process, Benefits, Defects and Constraints of Implementation

With the development of trade and commerce, transportation methods are also developed and traditional methods give way to modern methods, which include multimodal transportation. in a military organization , transportation plays an important role in carrying out missions. Creating a multimodal transportation system can increase the organization's agility and in some cases reduce transportation costs.in this research , first , the necessity of using multimodal transportation and then rail transport approaches and equipment for combination with other transportation methods is described . then geographical, economic, social, political and technological conditions affecting the formation process of multimodal transportation are discussed and, the structure of the network, the elements of the multimodal transport chain, its benefits and defects are It is explained, and , the strengths, weaknesses, opportunities and threats (SWOT) of the multimodal transport in Iran are is checked. In the end too, the new method of fast tubular transportation (transportation of goods and people in vacuum and ultrasound conditions) is introduced