corridor train

plural corridor trains

1. rail transportA train whose coaches are connected so as to form a continuous corridor, into which the compartments open.

   1 more example

   The Stephenson Locomotive Society (North Western Area) and the Manchester Locomotive Society are co-operating in running a special corridor train, to be worked by an 0-6-0 locomotive of the former Lancashire & Yorkshire Railway, on Saturday, May 12, over a route which includes visits to four historic stations, ascent of the 1 in 27 Werneth Incline, and traversal of lines normally closed to passenger traffic.

   1956 April, “Notes and News: Rail Tour of "Old Manchester"”, in Railway Magazine, page 273

2. historicalrail transportA train which runs through the territory of another country without stopping and therefore is exempted from immigration and customs checks.

   1 more example

   In the case of the Burgenland, the corridor train through Hungary was operating during the whole period of the Cold War. When Austrians and Hungarian emigrants wanted to get in contact with their relatives, they took a trip on the train to look at each other, wave hands, and drop letters and packets.

   2018 December 20, Gunter Bischof, Anton Pelinka, Dieter Stiefel, The Marshall Plan in Austria: Vol 8, Routledge, →ISBN