Actually one of the things that's most interesting about this study is that it's a study of NYC - where access to public transport might be the best in the Unit

Actually one of the things that's most interesting about this study is that it's a study of NYC - where access to public transport might be the best in the United States. Purely supposition on my part but my guess is that the market ride sharing services are capturing are suburbanites who are actually paying $50 to go to NJ/LI/CT as opposed to driving - as it's hard to imagine many locals driving anywhere, let alone drunk driving. The staten island graph is curious though (does it mean there is no non-locals visiting?