>"I think it'd be hard to actually quantify the impact." You would need Uber/Lyft's help I believe. But I think if you combined the Uber/Lyft data with data th

>"I think it'd be hard to actually quantify the impact." You would need Uber/Lyft's help I believe. But I think if you combined the Uber/Lyft data with data that the DOT keeps it would be pretty easy to quantify the impact. I think that was NYC's point as well. But unfortunately the mayor had received money from a taxi lobbying effort which allowed Uber to cry foul and make accusations of protectionism.[1] One metric used is average travel speed which according to this recent article is down 12% to 8.1 miles compared to 2010[2] [1] http://www.nytimes.com/2012/07/18/nyregion/de-blasio-reaps-big-donations-from-taxi-industry-he-aided.html http://www.nytimes.com/2012/07/18/nyregion/de-blasio-reaps-b... [2] https://www.nytimes.com/2017/03/06/nyregion/uber-ride-hailing-new-york-transportation.html https://www.nytimes.com/2017/03/06/nyregion/uber-ride-hailin...