phone app
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Background: In most American cities, four-way intersections with stoplights are the most common form of traffic control. The issue: As a pedestrian, these intersections are frustrating: if the stoplights are not synchronized, you’ll randomly encounter red lights while walking from block to block. But even when lights are synchronized, they are synchronized for car driving…
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The issue: When you call for transportation in a crowded area (Fig. 1), it’s often unclear both: 1) For you, the pedestrian, which of the numerous indistinguishable late model imported silver cars is picking you up 2) For the driver, which of the many pedestrians is actually the one who summoned that specific car. Fig…
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