Entrance of Hebei Jinjiazhuang Extra-long Spiral Tunnel in Yanqing-Chongli Expressway is located at east of Zhuanlou Village, Paoliang Town, Chicheng County and northwest of Jinjiazhuang Village, exit at Qipanlaing, Chongli Zone. Jinjiazhuang Extra-long Spiral Tunnel is a detached extra-long tunnel, with radius of 860m. Left entryway is 4228m, and right entryway is 4104m. On 20th April 2018, World Records Certification Agency, with headquarters in England has declared the ZT10 section of Yan-Chong Expressway Jinjiazhuang Extra-long Spiral Tunnel, constructed by SRBG to be the World’s Longest Motorway Spiral Tunnel. Yan-Chong Expressway has been selected by Ministry of Transport as “First Batch of National Green Highway Construction Typical Demonstration Engineering”, honored as “No 1 Engineering” by Beijing Organising Committee for the 2022 Olympic and Paralympic Winter Games as well as Ministry of Transport, also the first driverless demonstration road and technology demonstration road. The tunnel is the controlling project in Yan-Chong Expressway Hebei Section.