2022 Xingtai Taihang Road South Extension started construction in August. According to the query related information, 2022 project advancement time nodes, March to complete the preliminary design depth study preparation, April to complete the preliminary design approval, for land pre-approval, May to carry out the general contracting bidding work, June pre-construction preparatory work, set up the temporary construction and construction enclosure, to carry out the requisition and demolition work, July construction clearing work, August excavation of the three supply pipeline, September backfill pipe trench, pipe installation, October to complete the roadbed backfill, November concrete stabilized layer of construction, the construction of the roadbed backfill.

The roadbed backfill was completed in October, the cement stabilization layer was paved in November, the pavement bedding was paved, and the asphalt pavement was paved in December, and the road was opened to traffic.