Definitions for "Commuter Rail"
Service between a central city and its suburbs, running on a railroad right-of-way. Examples include the Sound Transit's commuter rail system in Puget Sound, Metrolink in Los Angeles, California and British Columbia's West Coast Express.
The portion of passenger railroad operations that carries passengers within urban areas, or between areas and their suburbs, but differs from rail rapid transit in that passenger cars generally are heavier, average trip lengths are longer, and operations are carried out over tracks that are part of the existing freight railroad system in the area.
Short-haul rail passenger service operating in metropolitan and suburban areas on trackage that is usually part of the general railroad system.