The policy of Pubhc Transport Priority is a principal strategy for urban transport development, bus rapid transit is a part of city pubhc transport, more and more cities approval and hke bus rapid transit system in the world, and many cities develop it in china. The Platform Screen Door （PSD） is an important part in these equipments of rapid transit system, and it isolates public areas of platform with running areas of bus rapid transit vehicles, and offers a secure and comfortable environment for passengers. The papers introduce the system f...
