You can take a bus from Seoul Express Bus Terminal(Gyeongbu) to Chungang University in Anseong. Bus runs every 20 minutes starting from 6am to 11:30pm. Tickets cost around 6000 won. You may purchase the tickets at the terminal or online on the terminal Website: https://www.kobus.co.kr/main.do It will take about 50 min to get to Chungang University from Seoul Express Bus Terminal