Which IoT transportation innovation saved Barcelona an estimated €42.5 million annually through improved traffic management and reduced congestion?

The transportation industry is being transformed by Internet of Things (IoT) technology. From smart traffic management to vehicle tracking and maintenance prediction, IoT is creating more efficient and safer transportation systems. This poll tests your knowledge about a groundbreaking IoT implementation that dramatically improved transportation efficiency in a major urban center. How well do you understand the real-world applications of IoT in modern transportation systems?

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Smart parking sensors that detect vacant spaces and direct drivers via mobile app
Autonomous shuttle buses operating on predetermined routes with real-time passenger counting
Smart traffic lights that adjust timing based on vehicle flow detected by embedded road sensors
Connected garbage trucks with route optimization based on fill-level sensors in waste containers