Madison is a passenger rail station along CTrail's Shore Line East commuter rail line, which runs on the Northeast Corridor between New Haven and New London. Madison station consists of a mid-sized parking lot and one high-level side platform on the southbound side of the tracks. Madison is a commuter-only station; Amtrak's Acela Express and Northeast Regional services run through the station without stopping. Madison is served by about 11 Shore Line East trains in each direction on weekdays and 5 in each direction on weekends.