Train Switch wagons and make sure all trains have the same wagons. You can move wagons by first clicking on a wagon and then clicking on the destination.
“A business meeting in Kyoto again this month…,” the developer tweeted. “Actually, a Switch version of A-Train is secretly underway. It will be the latest Nintendo system A-Train entry following the 3DS version!”
The latest entry in the series, A-Train Express (pictured), launched for PlayStation 4 in December 2017 in Japan and June 2019 in the west. A major expansion, A-Train Express+, launhed in November 2019 in Japan.