National Highway 3 18 is a national highway in East China, Central China and Southwest China, starting from Huangpu District of Shanghai and ending at nyalam county, Shigatse City, Xizang Autonomous Region, with a total length of 5,476 kilometers.

Passing through China, Jiangsu, Zhejiang, Anhui, Hubei, Chongqing, Sichuan and Tibet, it is the longest national highway, which is called "the landscape avenue of China people".

Extended data:

3 18 National Road, from Shanghai to Zhangmu Town, Tibet, with a total length of more than 5,000 kilometers, is a landscape corridor with a high concentration of beauty in China and even the world. Its natural landscape types are complete and diverse, and its magnificence is rare in the world.

From the Yangtze estuary at sea level to Mount Everest at the top of the earth; From the third step to the first step of Chinese topography; From basin to plain and plateau; From hills to low mountains, Zhongshan, high mountains and extremely high mountains.

From freshwater lakes to saltwater lakes, from rainforests to shrubs, grasslands and deserts, beauty and grandeur coexist, and tranquility and vastness coexist. This road is also a cultural journey and a historical tunnel.

Baidu encyclopedia -3 18 national highway