□ Effective date : From April 1, 2023(the existing magnetic subway ticket will also be used until the first half of the year)

□ Changes : The existing magnetic paper ticket is changed to the one with QR code

□ How to use the paper ticket with QR code

1. Purchase a paper ticket with QR code from an integrated ticket machine

2. Check entrance and exit

* QR ticket payment and utilization services will be provided through mobile app in the second half of the year