Plus, it has a unique modular design that allows it to be shortened and lengthened like a train The longest tram in the world is ready to serve the streets of Germany’s Rhine-Neckar Metropolitan Region, which includes the cities of Mannheim, Ludwigshafen and Heidelberg. The vehicle, produced by Škoda Group, was delivered earlier this month as part of a package order that includes the production of 114 trams for RNV, the public transport operator of the metropolis. The champion vehicle in this...