There are more and more traffic modes with the continuous development
of society, How to choose the best traffic mode becomes the important issue that is
paid close attention by people. In this paper, the Pan Cheng Line(the line between
Panzhihua and Chengdu) traffic modes are studied mainly, analyzes the factors that
affect the passengers to choose traffic modes, Analytic Hierarchy Process is applied
to evaluate the traffic modes of bus ,train and airplane, the results show that the best
traffic mode is by train between Panzhihua and Chengdu, followed by flying, the last
one is by bus.