Asian Engineering Consultants Company Limited, or AEC, part of Stonehenge Inter Public Company Limited, signed a contract on 22 July 2026 to act as construction supervision consultant for the Dark Red Line suburban railway extension from Rangsit to Thammasat University Rangsit Campus. The project has a construction value of over 6.057 billion baht, covering a distance of 8.84 kilometres of at-grade railway, along with four new stations: Khlong Nueng Station, Bangkok University Station, Chiang Rak Station, and Thammasat University Rangsit Campus Station. Construction is expected to take approximately 36 months, with services anticipated to begin in 2029, enhancing travel efficiency between Pathum Thani and Bangkok and connecting to the Red Line suburban railway network.
Stonehenge Inter Public Company LimitedAEC, a subsidiary of Stonehenge Inter, signed a 6.06 billion baht contract for construction supervision of the Dark Red Line extension.
AEC directly signed the contract to supervise construction of the Dark Red Line extension, a major project win.