Qingdao Railway Station is located in the western part of Qingdao, near the Zhanqiao Pier. The rail ticket office is in service from 04:30 to 22:30. Tickets can be booked five days in advance. Qingdao is accessible with the bus network, maintained by 187 routes and 3,700 buses which run on the roads. Most of the buses are ticket-seller free and accept IC cards. The fare is generally 2RMB. Qingdao subway system has 4 lines in running. Passengers are recommended to buy a one day ticket for 15 RMB or a three days pass for 35 RMB.