Interchange is an important part of urban expressway system, whose capacity has immediate influence on the level of service of expressway and the ability of evacuating urban traffic.

Evacuating rail passengers and transferring them to bus transport in emergency events is an effective method to maintain the entire order of the urban passenger transport system.

By analyzing the influences of the dual function system to the fire process and people evacuating from the fired room, the practicability and the feasibility of the dual…