Metro Rail Transit is Metro Manila's third rapid transit line. It forms part of the strong Republic Transit System which includes the Manila Light Rail Transit System. The line is located along Edsa one of the Metro Manila's main thorougfares.

MRT opened in 1999 operated by the Metro Rail Transit Corporation (MRTC) a private company operating in paqrtnership with the Department of Transportation and Communication (DOTC). MRT is the cornerstone of the DOTC integrated strategy to alleviate the chronic traffic congestion experience along the EDSA. MRT system designed to carry in excess of 23,000 passengers per hour and per direction.