The station has one three-car-long high-level island platform on the north side of the two-track line.

[5] The 1903-built union station was an important part of Danbury's industrial expansion through the 1900s.

[6] The present passenger station was built in 1996 by the Connecticut Department of Transportation (ConnDOT) and replaced the older New Haven Railroad station, which now houses the Danbury Railway Museum.

[7] In 2018, the city proposed to relocate the Housatonic Area Regional Transit transfer hub to a parcel across the street from the station, with a footbridge connecting them.

[8] The city received $1.6 million in federal funds in 2024 to design the transit center.