Chengdu is the largest railway hub in the southwest region. It is the starting point for Chengdu-Chongqing, Baocheng, Chengkun railway lines. More than 20 large and medium-sized cities to Chengdu have direct trains. At present, there are three railway stations in Chengdu: North Railway Station, East Railway Station, and South Railway Station. The West Railway Station is currently under construction.