Call for bids on Red Line extensions by year's end published : 29 Jun 2021 at 04:33 The State Railway of Thailand is expected to issue a request for tenders to build four Red Line electric train route extensions worth 67.5 billion baht this year. Transport Minister Saksayam Chidchob said he had instructed the SRT to move ahead with its plan to find the right contractors to build the extensions, so the line's construction can be completed by 2025. The four extensions are the 10.2-billion-baht Taling Chan-Salaya section; the 6.57-billion-baht Rangsit-Thammasat extension; and the 6.64-billion-baht Taling Chan-Siriraj section; and the 44.1-billion-baht "missing link" project connecting Bang Sue to Hua Lamphong.