Thai contractor CH Karnchang Plc has picked Aecom as the lead designer for the Orange Line West metro project in Bangkok, Thailand.

At a length of 13.4 km, the Orange Line’s western section will stretch from the Thai Cultural Centre to Bang Khunnon with 11 underground stations. When connected to the eastern section of the Orange Line, currently under construction, the full 35.9-km transit line will link Bangkok’s eastern and western sides and bolster the city’s regional connectivity. AECOM’s role includes the design of twin bored tunnels and tunnel ventilation systems, the design of 11 underground stations including all structural works, architectural works, and building services, and the design of trackwork systems for the mainline and depot extension. 

As a key engineering design consultant for infrastructure projects in Asia and the Southeast Asian region, including the Thai market, AECOM has provided engineering design services to CK on numerous rail projects such as the MRT Blue Line Project (1997), MRT Blue Line Extension (2011), MRT Orange Line East Section (2017), and MRT Purple Line (South) (2022). AECOM has also been involved in completing other major rail projects for clients across Southeast Asia such as the Klang Valley MRT Putrajaya Line in Malaysia, and the Thomson East Coast Line in Singapore as well as in delivering ongoing rail projects in Singapore and Malaysia.