Commuter rail
passenger rail transport services primarily within metropolitan areas
S-train Copenhagen
Home Liner
Lea Valley Lines
MARC
Michigan Executive
New Jersey Transit Rail Operations
Northern Line
Overground Network
Pune Suburban Railway
Railways in Adelaide
SEPTA Regional Rail
London Overground
Sounder commuter rail
Southern Line
Split Suburban Railway
Tees Valley Metro
Tyneside Electrics
West London Line
Zagreb Commuter Rail
East London Line
Dublin Area Rapid Transit
Turin metropolitan railway service
S-Bahn
Kolkata Suburban Railway