This U.S. industry comprises establishments primarily engaged in operating local and suburban ground passenger transit systems (except mixed mode transit systems, commuter rail systems, and buses and other motor vehicles) over regular routes and on regular schedules within a metropolitan area and its adjacent nonurban areas.

• Commuter cable car systems (i.e., stand-alone)
• Light rail systems (i.e., stand-alone)
• Commuter tramway systems (i.e., stand-alone)
• Monorail transit systems (i.e., stand-alone)
• Commuter trolley systems (i.e., stand-alone)

• Cable car systems (except mixed mode), commuter
• Light rail systems (except mixed mode), commuter
• Monorail transit systems (except mixed mode), commuter
• Street railway systems (except mixed mode), commuter
• Subway systems (except mixed mode), commuter
• Tramway systems (except mixed mode), commuter
• Trolley systems (except mixed mode), commuter