Input (grade 12): The Docklands Light Railway is an automated light metro or light rail system opened on 31 August 1987 to serve the redeveloped Docklands area of London.
Output (grade 12): The Docklands Light Railway (DLR) is a light metro or light rail system opened on 31 August 1987 to serve the redeveloped Docklands area of East London, England.