A monorail is a transportation system based on a single beam. The term is also used variously to describe the beam of the system, or the vehicles travelling on such a beam or track. The term originates from the contraction of the words mono (single) and rail, from as early as 1897, as early systems used metal rails. The transportation system is often referred to as a railway. Differentiation from other transport systems Monorail systems have found shared applications in the transportation marke… (More on Monorail)