Uber, Lyft boosted car travel by 94 million miles in Seattle last year, study says

The rise of Uber and Lyft in Seattle meant about 94 million additional miles were driven on Seattle-area roads in 2017, according to a new study that offers the first public estimate of the ride-hailing companies’ impact on local traffic.

People took 20 million rides in Seattle in 2017 with transportation network companies (TNCs), the biggest of which are Uber and Lyft, according to data from the Seattle Department of Transportation.

Bruce Schaller, an independent transportation consultant, took that figure