Two major companies submitted proposals on Wednesday for the second round of bidding for the construction of the Orange Line's western expansion worth 140 billion baht.
Bangkok Expressway and Metro Plc, which operate the MRT system, and Italian-Thai Development, submitted bid proposals for the Orange Line project, according to a source at the Mass Rapid Transit Authority of Thailand (MRTA).
The Orange Line's western extension from Bang Khun Non to Min Buri will serve as a connecting route between the eastern and western sections.