Busan Nat'l UnivYangsan kaempeoseu subway station 3 minutes on foot
It's easy to go anywhere in Busan by subway.
The train station is a 7-minute drive away. mulgeum-yeog
At the train station, you can go to gyeongju, gwangju, busan, seoul and go to various areas.
Ask any questions. I'll do my best to help you.