Links to Commuter Railroads in the USA

NJ TRANSITSouth Shore LineMETRA
SEPTAMBTALIRR
Metro NorthShore Line EastTri Rail
MARCVRECalTrain
METROLINKCOASTERACE
SOUNDERFront Runner 
Music City StarRail RunnerTRE

Links to Commuter Railroads in Canada

GO TRANSITAMTWest Coast Express