Busan's extensive Metro system makes it possible to go just about anywhere. There are four lines (1, 2, 3 and 4) and they are easily traveled given their distinct colors. Destination announcements are made in Korean, English, Japanese and Chinese. The sound of a bird is used for stops that are transfer points, accompanied by announcements in Korean, English, Japanese and Chinese.
Line 1 ( Orange Line ) : Sinpyeong through Nopo-dong
Line 2 ( Green Line ) : Yangsan through Jangsan
Line 3 ( Brown Line ) : Daejeo through Suyeong
Line 4 ( Blue Line ) : Minam through Anpyeong
Busan-Gimhae Light Rail Transit( Purple Line ) : Sasang through Kaya Univ.