Madison station 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.

CT Rail, stylized as CTrail, is the brand for commuter rail services overseen by the Connecticut Department of Transportation (CTDOT), in the U.S. state of Connecticut, with some service extending into Massachusetts. CTDOT oversees two lines: Shore Line East, between New Haven and New London, Connecticut, and the Hartford Line, from New Haven, through Hartford, to Springfield, Massachusetts.