Which machine learning innovation has most significantly improved public transit efficiency in major cities over the past 5 years?

The transportation industry has embraced machine learning to revolutionize how passengers interact with transit systems. One groundbreaking innovation has dramatically transformed how commuters experience public transit in major urban centers. Test your knowledge about how data analytics and AI are reshaping the transportation landscape by identifying which technology has made the biggest impact on urban mobility patterns in recent years.

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Real-time dynamic routing algorithms that adjust bus schedules based on current passenger demand and traffic conditions
Facial recognition payment systems that automatically charge passengers as they enter transit vehicles
Autonomous drone shuttles that transport individual passengers between designated city landing pads
Quantum computing systems that predict transit failures weeks before mechanical issues occur