A nickname for an elevated railway is "EL".
The expression "the el" refers to an elevated railway.
El
An elevated train makes use of railway tracks that are above street level
5 inch gauge is garden railway but 3.5 inch gauge is the smallest elevated gauge for a railway http://www.rideonrailways.co.uk/
According to Wikipedia, "In modern usage, a causeway is a road or railway elevated by a bank, usually across a broad body of water or wetland."A causeway is an elevated path, road or railway embankment across a water or wetlands.
El, short for "elevated railroad" -- Chicago's is the most famous example.
Railway men because that is what everyone knows Crewe as
The first elevated train was the New York City Elevated Railway, which began operation in 1868. It was designed to alleviate street congestion and provide an efficient means of transportation in the growing city. The initial line ran along Greenwich Street and was later extended to connect various parts of Manhattan. This innovation laid the groundwork for future elevated transit systems worldwide.
The nickname for Lokomotiv Moscow is "The Railwaymen." This nickname reflects the club's historical ties to the Russian railway system, as it was founded by the employees of the railways in 1923. The club's identity is closely associated with this heritage, symbolizing strength and teamwork.
I think it might be "BIG BERTHA", but I don't have any supporting detail.
The Underground, more commonly called the Tube.
It is elevated.