Waze's real-time, crowdsourced info will soon do a lot more than help you avoid traffic jams. The Google-owned company is widening a partnership with Esri to provide its live alerts for free to American cities and municipalities that are part of its Connected Citizens Program. The move gives officials up-to-the-minute info they can use to make key decisions about road infrastructure. If many drivers report crashes at an intersection, that could lead to better signs or a change in the roads themselves.

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