Entire line is elevated except for a 810m long NATM tunnel.  Vertical clearance is 5m to 7m and span length 25m to 75m.  Precast concrete box girders are used for shorter spans with steel box girders for longer spans.  All box girders are prefabricated and transported by truck to job site for assembly and installation.  Elevated stations are 2 level steel structure supported by single columns founded in the street median.  Station length is 80m and width varies from 20m to 30m and station height is 15m to 17m above the street level.  Station exterior architecture is made of curtain wall finishes.  Entrance buildings are typical two story R.C. structures  The operation and maintenance depot contains the control center, workshops, maintenance shops, storage buildings, public parking, test track, and other service related structures.