Which railroad company pioneered the first customer loyalty program in transportation by introducing a 'frequent traveler' concept in 1972 that became the model for modern airline loyalty programs?

The transportation industry relies heavily on brand loyalty to maintain customer base in a competitive market. From airlines to ridesharing services, transportation companies invest significantly in building customer loyalty through various programs and experiences. This trivia question tests your knowledge about a remarkable case study in transportation brand loyalty that revolutionized an industry segment.

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Burlington Northern Railroad
Amtrak with its 'Arrows' program
Union Pacific with its 'Rail Miles' system
Southern Pacific's 'Golden Spike Club'