Taiwan's two major cities, Taipei and Kaohsiung, both have Mass Rapid Transit (MRT) metro systems. They are clean, safe, convenient and reliable. All signs and ticket machines are in English. English signs around stations indicate which exit to take to nearby sights. Posters indicate bus transfer routes.Taipei Bus Station, located to the north of Railway Station, is the largest bus center of the city. The bus station and the railway station are connected by an underground passage. It is only 10 minutes’ walk between the two. The exits R1, Y1, Y3, and Y5 of the underground passage lead to the bus station. Many long-distance passenger transportation companies are set there, among which Kuokuang Passenger Transport has the best reputation. The bus destinations include Kaohsiung, Tainan, Chiayi, Hualien, Taichung, which depart every one hour. The bus to Chiayi costs about NT$250 with the duration of 4.5 hours, to Tainan takes 5 hours and NT$350, to Kaohsiung costs NT$500 with the travel time of 6 hours, and to Hualien takes 5 hours with the ticket price of NT$400.