Why Google Told Drivers to Drive a Longer Way On Purpose

"A team at Google's research arm used Google Maps to reroute a small portion of drivers in 10 U.S. cities," reports SFGate — including San Francisco and Los Angeles.
"Through their experiment, which was published in the journal Nature Cities in June, the researchers sought to evenly spread traffic down more corridors as the drivers head to similar destinations, in the hopes of reducing congestion."
The experiments nudged up vehicle speeds by 2% on average on the congested roads, and shorte