一、大力发展环渤海海运事业的必要性和意义目前,渤海南北地区的物资交流主要是通过铁路和海运这二条“大动脉”。由于铁路运输能力已处于饱和状态,联结关内外的沈山铁路超负荷运行;沈大铁路编解和通过能力紧张,下行利用率达到100%。致使渤海沿海各城市间客货运输十分紧张,物流不畅, I. Vigorously Developing the Necessity and Significance of Bohai Sea Shipping Business At present, the exchange of goods in the northern and southern Bohai Sea is mainly through the two “big arteries” of railways and shipping. As the rail transport capacity is already at saturation, the Shen-Shan railway connecting the inside and outside of the country is overloaded; the capacity of the Shen-Da railway is limited and the utilization rate of the downstream reaches 100%. As a result, the passenger and freight transport between the cities along the coast of Bohai Sea is very tense and the logistics are sluggish.