Underground Railway Museum

The Budapest Metro Museum is located beneath Deák Ferenc tér and is devoted to the history of Line M1, the oldest subway on the European continent. The exhibition is housed in a section of tunnel that was decommissioned in 1952. It was originally slated to be filled in, but was instead walled off and turned into a museum. You reach it from the concourse level, which also connects to the other subway lines. The three historic vehicles in the museum were once lowered by crane from above through a temporary opening, since the tunnel section was no longer connected to the active network at the time the museum opened.

Visitors can admire the vehicles in two different states. Motor car 19 has been carefully restored to its original 1896 condition, while train 1–81 represents the final operating state from the 1970s. The display is rounded out by historic signals, station attendant booths, platform barriers, and marble commemorative plaques, including one marking the visit of Emperor Franz Joseph I after the line's opening. Models of the original station building and the royal saloon car, period mannequins, and numerous original documents such as timetables and the construction logbook complete the experience. Since 2024, there has also been a branch in an M2 station, which displays uniforms and the driver's cab of a Soviet train, among other items.