I know Amtrak isn't strictly commuter rail but how would they fit in this ranking?
http://www.businessinsider.com/the-10-us-metro-rail-systems-that-lose-the-most-money-per-passenger-2015-6?&platform=bi-androidapp
http://www.businessinsider.com/the-10-us-metro-rail-systems-that-lose-the-most-money-per-passenger-2015-6?&platform=bi-androidapp