How Cambridge Systematics, a transportation consultancy, used location data from 5M cell phones in Los Angeles to help the city revamp its bus transit system (Adam Rogers/Wired)

Adam Rogers / Wired:
How Cambridge Systematics, a transportation consultancy, used location data from 5M cell phones in Los Angeles to help the city revamp its bus transit system  —  THE GRAY BUSES that roll along Los Angeles' Orange Line don't look like other buses: They're 60 feet long, and their streamlined design means they don't just stop.