Jinjiazhuang Tunnel () or Jinjiazhuang Spiral Tunnel (), is the world's longest highway spiral tunnel. The spiral has a curve radius of and the elevation difference between the tunnel entrance and exit is . The tunnel is on S3801 Beijing-Chongli Expressway. The Expressway is the main route from the Yanqing cluster to the Chongli cluster of the Beijing 2022 Winter Olympics.

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Transport in Hebei Buildings and structures in Hebei Road tunnels in China Tunnels completed in 2019 {{Hebei-geo-stub