It is a Hashtag used on twitter by railway enthusiasts to write about night trains that have a dining car attached.
![A blue sign with crossed fork and knife and two arrows on the inside wall of a ÖBB carriage that tells the dirrection where the dining car is.](https://diningcar.at/wp-content/uploads/2022/01/diningcarsign-1200x800.jpg)
It is a Hashtag used on twitter by railway enthusiasts to write about night trains that have a dining car attached.
The “Metropolitan” and the “Metropolitan Slovenská strela” are Eurocity-services between Prague, Brno, Břeclav, Bratislava and Budapest