Cardiff Central railway station () is a major British railway station on the South Wales Main Line in Cardiff, Wales. It is the largest and busiest station in Cardiff itself and in Wales. It is one of the major stations of the British rail network, being the tenth busiest station in the United Kingdom outside of London (30th busiest overall), based on 2007/08 total entries and exits. British Transport Police maintain a presence at Cardiff Central. In December 2009, the force announced a three-month pilot scheme to arm officers at the station, as well as in London and Manchester, with stun guns.