In the Showa era, when railroads dominated the transportation of small luggage, postal cars and luggage cars connected to passenger trains were responsible for this. With the increase in transportation volume, luggage-only trains began to operate, and express luggage trains were also operated on the main lines.
On the Tohoku Main Line, postal and luggage trains heading north from the Sumida River freight station dedicated to luggage in the Tokyo metropolitan area departed and arrived, connecting various parts of Tohoku. In addition, there is also an operation called "transportation" that crosses the Tsugaru Straits from Aomori to Hokkaido by the Seikan connecting ship, and in Hokkaido, mail connected to express trains such as "Niseko" and "Heavy snow" and ordinary trains. ・ Luggage cars were active.
On the Tohoku Main Line, postal and luggage trains heading north from the Sumida River freight station dedicated to luggage in the Tokyo metropolitan area departed and arrived, connecting various parts of Tohoku. In addition, there is also an operation called "transportation" that crosses the Tsugaru Straits from Aomori to Hokkaido by the Seikan connecting ship, and in Hokkaido, mail connected to express trains such as "Niseko" and "Heavy snow" and ordinary trains. ・ Luggage cars were active.