Study: between 2010 and 2016, traffic congestion in San Francisco grew by about 60%, with Uber and Lyft vehicles accounting for more than half of that increase (Andrew J. Hawkins/The Verge)

Andrew J. Hawkins / The Verge:
Study: between 2010 and 2016, traffic congestion in San Francisco grew by about 60%, with Uber and Lyft vehicles accounting for more than half of that increase  —  Between 2010 and 2016 traffic congestion in San Francisco increased by about 60 percent — and Uber and Lyft are responsible for more than half of that increase

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