Monorails are a type of railway system that utilizes a single rail track. These systems are often used in urban areas for transportation, amusement parks, and even in airports. Aside from the typical term "monorail," there are some synonyms that can be used to describe the same type of transportation. Some of these synonyms include "single rail system," "one rail train," "monobeam," "unirail," and "mono-guideway." Regardless of the term used to describe them, monorail systems are an efficient and effective way to transport people and goods in urban and suburban areas. With their sleek design and minimal impact on the environment, these systems are becoming increasingly popular in modern cities around the world.