处于不同目的的旅客对交通工具有不同的要求。例如，因公出差的旅客希望在旅途中的时间尽可能的短，出门旅游的游客则期望旅费尽可能省，而老年旅客则要求中转次数最少。编制一个全国城市间的交通咨询程序，为旅客提供两种或三种最优决策的交通咨询。-Different purposes in the mode of transport of passengers have different requirements. For example, passengers on mission hopes the time on the road as short as possible, to go out hope that tourists will travel as far as possible, provincial, and elderly passengers asked the least number of transit. The preparation of a national inter-city traffic advisory procedures, provide passengers with two or three optimal decision of the Transport Advisory.