Combined with the projects examples,it represents the planning of translation and the transition construction process of the double sides wall pilot tunnel method to CRD method,and has important means to control the process and the costs of construction.

Research purposes: The analyses and comparisons are made for the transfer plans for five rail transit lines accessing to Hongqiao Integral Traffic Hub with large amount of traffic for the purpose of determining the transfer plan and providing the reference to working out the transfer plan for multiple lines accessing to the large modern traffic hub.

Through comparison and analysis of the advantages and disadvantages of the GMH-3 bus protection and the BP-2B digital protection, the paper presents a reasonable replacing scheme, explains the course of implementation, and emphasizes some points worthy of noting.