Upass is a prepaid card for the transportation system in
Seoul and its suburbs. This card is issued by
Seoul Bus Transport Association and
eB Card. Its parent-generation card is
Seoul Transportation Card, a world-first commercial-used RF card for transportation (first used in June 1996)
¹] The Korean system integrator Intec and Seoul Bus Union first launched a test of their system in a trial from October to December 1995. Old Seoul Transportation Card and
T-money can be used along with Upass.