Big news for cross-border commuters and travelers—as of March 22, Hong Kong’s MTR system has officially joined the China T-Union network, bringing the dream of nationwide transit access one tap closer to reality.
Yes, that means your China T-Union transport card—the one you use for buses and subways in over 330 cities across the Chinese mainland—now works in Hong Kong too.
Before this update, the only truly seamless options for traveling across the border involved using Alipay’s public transit QR code, WeChat Pay’s mini-program, or setting up a separate digital Octopus card on an NFC-enabled smartphone.
Now, whether you’re swiping a physical card or using an NFC-enabled electronic card, your seamless ride from Beijing or Shanghai to Shenzhen can now extend smoothly into the heart of Hong Kong’s public transportation network (well, almost).
This move marks a significant milestone in national transit integration, making it easier than ever for frequent travelers, cross-border workers, and tourists to navigate between the Chinese mainland and Hong Kong without switching cards or apps.
But a few things to note before you tap and go:
Only cards bearing the ‘China T-union’ logo are supported. Image by That’s
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Special fare cards—like those for students, children, seniors, and people with disabilities—are not currently compatible with the Hong Kong system.
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You’ll need to have at least RMB50 balance on your China T-Union card before entering any MTR station.
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MTR stations in Hong Kong do not offer RMB top-up services, so make sure to load your card before arrival.
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The card does not work on the Hong Kong Airport Express, First Class on East Rail Line, Light Rail, or MTR Buses (for now).
Octopus readers at entry/exit gates marked with ‘China T-Union’ logo. Image via Hong Kong MTR
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Passengers can only tap their cards at the Octopus readers at entry/exit gates marked with ‘China T-Union’ logo.
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Access to some intercity railways is also possible using the China T-Union card, provided your card is linked with real-name verification (for Octopus cards bearing ‘China T-Union‘ logo).
This update is a big win for those of us who juggle metro systems across provinces—and now, across borders.
Have you tried using your China T-Union card in Hong Kong yet? If so, how smooth was the ride?
Let us know, and stay connected with us on WeChat at ThatsGBA for more updates on travel, tech, and life on the move.
[Cover image via Hong Kong MTR]
