The Eastern Economic Corridor Policy Committee (EECP) has approved a series of principles to amend the contract for the high-speed rail project connecting Don Mueang, Suvarnabhumi, and U Tapao airports.

Two subsidiaries of China Railway Construction Corp, the State-owned rail construction contractor, have won a $415 million contract to build civil engineering projects for the China-Thailand high-speed railway, the Beijing-headquartered group said in a statement.