The Huangjue Bay overpass in Southwest China’s Chongqing measures more than 16,000 meters in length. The five-story interchange has 20 ramps. Photo: VCG

An undulating road in Chongqing in 2017. The “wave” design was reportedly planned to help businesses access each floor of the commercial building along the road. Photo: Zhou Yi/China News Service, VCG

The Huangpu Avenue Tunnel is visible through ceiling windows lining the road. The tunnel is located in Guangzhou, South China’s Guangdong province. Photo: VCG

The Liping-Congjiang Expressway Viaduct extends to Pilin village in Congjiang, Southwest China’s Guizhou province. China has built 117,000 kilometers of national expressways as of 2021, according to the Ministry of Transport. Photo: VCG

The Aizhai Panshan Highway in Xiangxi, located in Central China’s Hunan province, is built on a steep mountain slope. The 6 kilometer stretch features 13 sharp bends with turns almost parallel to one another. Photo: VCG

A car passes through the Guoliang Tunnel in Wanxian Mountain Scenic Area of Taihang Mountains in Central China’s Henan province in 2017. The tunnel was completed in 1977 and took residents of Guoliang village five years to build. Photo: VCG

The Hongjing Road in Beijing’s Fangshan district has a total length of 18.94 kilometers, starting from Honggang port in Wolong village and ending at the Xiangyunling town section of 108 National Highway. Photo: VCG

The Weiyuan-Wudu expressway in Northwest China’s Gansu province opened to traffic in 2020. Photo: VCG

The Panlong Ancient Road in the Kashgar region in Northwest China’s Xinjiang Uygur Autonomous Region is known for its 208 steep bends. Photo: VCG

Xinjiang provincial highway S101 allows commuters to travel through the Danxia landform in the region. Photo: VCG

National Highway 318 runs from Shanghai to the China-Nepal border at the Sino-Nepal Friendship Bridge between Zhangmu and Kodari. The highway measures 5,476 kilometers and runs through plains, hills, basins and plateau landscapes across China. Photo: VCG

Visitors cycle on a road near Qinghai Lake in Northwest China’s Qinghai province. Photo: VCG

A section of Qianfen Highway connects snow-covered islands in Qiandao Lake scenic area in Hangzhou, East China’s Zhejiang province, in 2018. Photo: VCG

Yongwu Road stretches across Poyang Lake in Jiujiang, East China’s Jiangxi province. The road is submerged when the water level rises. Photo: VCG

The Shenzhen Bay Bridge, measuring more than 5,500 meters, is a major part of the Hong Kong-Shenzhen Western Corridor. China aims to build more than 460,000 kilometers of highways by 2035 to cover cities and counties with populations of more than 100,000. Photo: VCG