Dark Red Line (Bangkok)
The SRT Dark Red Line (also referred to as Thani Ratthaya Line (Thai: รถไฟชานเมือง สายธานีรัถยา)) is part of the SRT Red Line suburban railway system to serve the greater Bangkok Metropolitan Region running for 26 km (16 mi) between Krung Thep Aphiwat Central Terminal and Rangsit. Phase I of the line opened for trial operations on 2 August 2021, with full commercial services beginning on 29 November 2021.