By Favyen Bastani, Songtao He, Satvat Jagwani, Edward Park, Sofiane Abbar, Mohammad Alizadeh, Hari Balakrishnan, Sanjay Chawla, Sam Madden, Mohammad Amin Sadeghi
Communications of the ACM,
Vol. 64 No. 11, Pages 109-117
Street maps help to inform a wide range of decisions. Drivers, cyclists, and pedestrians use them for search and navigation. Rescue workers responding to disasters such as hurricanes, tsunamis, and earthquakes rely on street maps to understand where people are and to locate individual buildings.23
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Transportation researchers consult street maps to conduct transportation studies, such as analyzing pedestrian accessibility to public transport.25 Indeed, with the need for accurate street maps growing in importance, companies are spending hundreds of millions of dollars to map roads globally.a
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