Line 4

Line 4 is a north south line coloured teal. There is only one station that is elevated which is Anheqiao North. Line 4 is merged with the Daxing Line. Line 4 goes from Daxing district in the south to Anheqiao in the north. Line 4 and the Daxing Airport Express never interfere with each other. The line goes from Tiangong Yuan to Anheqiao North.