More than 17,500 Singapore commuters have enrolled in the pilot program, while just over 1,825 have enrolled in the Stanford project. And it seems these efforts to change travel behavior using games, or carrots, rather than sticks (such as congestion pricing) are paying off. Balaji Prabhakar, a Stanford engineering professor who developed both projects, said during a recent talk at the university’s campus in Palo Alto, California, that 11-12 percent of users in Singapore have shifted off-peak.
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