United States 21
- Atlanta MARTA
- Baltimore Metro SubwayLink
- Boston MBTA Subway: The-T
- Buffalo Metro Rail
- Chicago L
- Cleveland RTA Rapid Transit
- Detroit People Mover
- Jacksonville Skyway
- Las Vegas Monorail
- Los Angeles Metro Rail
- Miami Metrorail
- Minnesota Metro Transit
- MTA New York City Subway
- Newark Light Rail, NLR
- Philadelphia SEPTA Subway
- Pittsburgh Light Rail: The T
- Saint Louis Metrolink
- San Francisco BART (Bay Area Rapid Transit)
- Stadtbahn Seattle: Sound Transit Link light rail
- Staten Island Railway (SIR)
- Washington Metro: Metrorail