The Busan Metro is a urban rail system in Busan, South Korea. It consists of five lines and over 100 stations. Four lines are operated by the Busan Transportation Corporation and the Busan–Gimhae Light Rail Transit (BGL) operator is B&G Metro. The Busan Metro began operation in July 1985. BGL started operating in September 2011.
There are two joint stations, Sasang (Line2) and Daejeo (Line3) where passengers can transfer betwween operators.