1.问题提出 由于市场竞争和现代物流发展,传统港口的点与点竞争形式逐渐转变成含港口核心节点物流链的竞争。港口物流已经成为今后港口提高服务和市场竞争的焦点。港口集疏运通道是港口物流链的重要环节,是港口与腹地连接的重要通道。因此,港口集疏运通道建设成为新一轮竞争的焦点,而铁路班 1. Issues raised Because of market competition and the development of modern logistics, the traditional point-and-point competition of ports gradually transformed into a competition with the core nodes of the port logistics chain. Port logistics has become the focus of future ports to improve services and market competition. Port collection and distribution channel is an important part of the port logistics chain, the port and the hinterland important channel. Therefore, the construction of port collection and distribution channels has become the focus of a new round of competition, while railway classes