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