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 Taling Chan-Min Buri project is one of them.

According to the cabinet resolution passed in the meeting on 11 January 2011, Mass Rapid Transit Authority of Thailand (MRTA) is authorised to transfer any remaining budget of other MRTA projects to engage a pre-construction consultants for MRT Orange Line Taling Chan-Min Buri project. In this regard, MRTA employed Bangkok Mass Transit Orange Line Consultants (BMTO) to conduct a study, review the design specifications, prepare tender documents and operate under the Private Participation in State Undertaking Act B.E. 2535

MRT Orange Line Taling Chan-Min Buri project is a heavy rail project with a total length of 39.8 km divided into 2 sections, the west section and the east section. The west section is called “Taling Chan-Thailand Cultural Center” and east section called “Thailand Cultural Center – Min Buri” which MRTA, with cabinet approval on 19 April 2016, proceed with the construction and, later on 9 February 2017, signed the civil works contract with all 6 contractors. The contracts signing ceremony has Mr.Somkid Jatusripitak Deputy Prime Minister as the Chairman, along with Transport Minister and Transport Deputy Minister, with a warm welcome of Chairman of MRTA Board of Directors and MRTA Governor.