What is another word for overhead railways?
Pronunciation: [ˌə͡ʊvəhˈɛd ɹˈe͡ɪlwe͡ɪz] (IPA) 
Overhead railways, also known as elevated railways or elevated trains, are transportation systems that run above street level on elevated tracks. These railways are primarily found in urban areas and provide fast, efficient and reliable transportation options for commuters in bustling cities. Other synonyms for overhead railways include elevated subways, sky trains, monorails, and el trains. Each term describes a different type of elevated rail system, ranging from fully enclosed systems like subways and monorails to more open, exposed systems like el trains and sky trains. Whatever the terminology used, overhead railways continue to play an essential role in modern transport networks around the world.
