The first inter-provincial subway line in the Beijing-Tianjin-Hebei region is expected to be ready for operation by the end of the year.

Yesterday, Zhou Bangda, deputy director of the Transportation Committee of Tongzhou District, revealed the transportation "report card" at the press conference "Changes in the Sub-center": The main road network of "Eleven horizontal and Nine vertical" has basically taken shape, and the total road mileage of the urban sub-center has exceeded 660 kilometers. There are already 5 subway lines and 2 suburban railways in operation. By the end of this year, the No. 22 subway line will be ready for operation, becoming the first inter-provincial subway line in the Beijing-Tianjin-Hebei region.