Background
17 October 2565 In the meeting held on 9 March 2010, the cabinet acknowledged the 8 February 2010 meeting approval of Mass Rapid Transit Master Plan in Bangkok Metropolitan Region by Land Traffic Management Commission. The Master Plan requires all related government agencies to implement respective first phase projects within 10 years - all services should be fully operate in 2019 - which consist of 7 MRT lines with a total length of 154 km and MRT Orange Line project is one of them.