Rail adhesion car


A Rail Adhesion Car or Rail Adhesion Train is a modified vehicle used on rail adhesion system where the normal equipment does not have the rail sanding ability of locomotives. In particular, it may involve tanks and dispensing equipment installed in an electric subway or rail car that is run over the rails alone or in a train to dispense sand when needed. Because of limits of space under the cars the tanks of sand or gel/sand mix are installed inside the passenger space.
In the New York City Subway, for example, Rail Adhesion Cars may be created from older equipment. Three such cars exist in the subway system: