National Capital Trolley Museum

The National Capital Trolley Museum (NCTM) is a 501(c)(3) nonprofit organization that operates historic street cars, trolleys and trams for the public on a regular schedule. Located in Montgomery County, Maryland, the museum's primary mission is to preserve and interpret the history of the electric street and interurban railways of the National Capital region.

Source: Wikipedia — National Capital Trolley Museum (CC BY-SA 4.0)