Way 2 Incheon Int'l Airport → Seoul Station → Daejeon Station → National institute for mathematical science(NIMS)
1. Incheon Int'l Airport → Seoul Station
By Airport limousine bus
You can buy the limousine bus tickets for Seoul Station at the Transportation Information Counters (near the exits 4, 6, 7, 8, 11, 13 on the 1st floor). With the bus ticket, you should go to 4B, 11A, 5B, 12A, 6A, 12B (The bus stop for Seoul Station) on the 1st floor to get on the bus. The bus runs at the average interval of 30minutes from 04:50 to 23:00 and it will take you about 60~80 minutes and cost you diverse fares (from KRW 10,000 to KRW 15,000 as of April 2013) as of November 2012.