Which major public transportation system was the first to completely eliminate physical tickets and implement a fully contactless payment system with bank cards?

The transportation industry has undergone significant technological transformation in recent years, particularly in how passengers pay for their journeys. Contactless payment systems have revolutionized the customer experience across various transportation modes, from buses and trains to ride-sharing services. This poll tests your knowledge about a major technological turning point that changed how millions of commuters interact with public transportation systems daily.

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London's Transport for London (TFL) network
New York City's Metropolitan Transportation Authority (MTA)
Tokyo's Japan Railways (JR) system
Singapore's Mass Rapid Transit (MRT) system