Concept's older than I thought. I watch Metra's bilevels pass every day outside my window in Lombard.
The first Russian double-decker cars were built in 1905 at Tver Carriage Works.
— Russian Railways (@RuRailways) November 26, 2019
Double-decker cars are still being built at this same factory in Tver, but the technology has taken a big leap forward! #rzd #russianrailways #history pic.twitter.com/kvYMUjIdB7
