Construction has begun on a subway line linking Beijing and neighboring Hebei province after a feasibility study was approved for a local section by the Hebei Development and Reform Commission, Beijing Daily reported.

The Beijing Subway Line 22, or Pinggu Line, has a length of 81 kilometers and passes three districts in the capital — Chaoyang, Tongzhou and Pinggu — as well as Sanhe city in Langfang, Hebei.

In the Beijing section, it will have 16 stations while in Hebei section there are five. It is the first interprovincial subway line in the Beijing-Tianjin-Hebei region.

Completion is planned by the end of 2025, the report said. The line is expected to play a significant role in the integrated development of the region.

Editor: Song Lifang