NPR

Uber And Lyft Caused Major Traffic Uptick In San Francisco, Study Says

Researchers compared data from fall 2010 — before the companies made inroads in the city — and fall 2016. They found that the companies are to blame for more than half of a big increase in traffic.
Researchers also found that congestion on the roads in San Francisco also was exacerbated because of where the ride-hailing cars were and at what time of day<em>.</em>

Do ride-hailing companies like Uber and Lyft make a city's traffic worse or better?

In San Francisco at least, the answer is decidedly worse, according to a newly published study in the journal Science Advances.

"It's by far the most detailed look that's been done in any given city," says Bruce Schaller, a transportation expert and former New York deputy commissioner for traffic and planning who was not involved in the study. "And it's certainly consistent with what we're seeing in other places."

University of Kentucky

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