The Busan Subway is the second largest subway system in South Korea.
It is very similar to the metro system in Seoul.
It has cheap ride fares and offers signs and announcements in both Korean and English.
Free Wi-Fi access is available inside the stations and on the trains for mobile devices with specific carriers or plans.
There are currently five lines in operation; Line 1, Line 2, Line 3, Line 4, and Busan-Gimhae Light Rail Transit (BGL).