Which transportation company pioneered the first subscription-based 'all-you-can-ride' monthly pass model that has since been widely adopted across the industry?

The transportation industry has undergone significant technological evolution in recent years, particularly in customer experience enhancements. From mobile ticketing to personalized journey planning, transportation providers are implementing innovative loyalty programs and customer experience initiatives to retain riders and improve satisfaction. Test your knowledge about a groundbreaking loyalty program that transformed urban mobility!

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Stockholm's SL (Storstockholms Lokaltrafik) with their 'SL Accesskort' in 1967
London Transport with their 'Travelcard' system in 1983
New York City's MTA with their 'Unlimited Ride MetroCard' in 1998
Tokyo's JR East with their 'Suica' pass in 2001