Study of an underground-based cyclic timetable impact on arrangement for bus schedule reliability

With the expansion of urbanization, the population and area of urban are also increasing gradually. In this context, the public transportation question of city appears outstanding, and limits the development of urban gradually. It Combined subway and public transportation have already alleviated traffic pressure, and serviced people in a better way. The subway joins have a very tremendous influence to original transition system of city. The coordination degree of the subway and original transition will promote the development of transportation. With the multitudinous influence factor of transportation which will grow newly, the article have utilization pessimistic interrelatedness method to study the correlation research and obtain the science factor choices. The article provide a better development and consummate brand-new city mass transit system.