With 21 Km In Length, US$ 3.7 Billion Invested, and Completion Expected in 2031, the World’s Largest Road Tunnel Promises to Reduce Travel From 480 Km to Under 2 Hours, Crossing the Imposing Tianshan Mountains.
China is once again impressing the world with its capacity to undertake grand engineering projects. With a cost of US$ 3.7 billion and a timeline extending to 2031, the Tianshan Shengli road tunnel will be the second largest in the world. This project, which will traverse the imposing Tianshan Mountains, promises to transform transportation and the economy of Xinjiang.
But why is this project so important? The 21-kilometer tunnel will not only reduce travel time but will also open doors for the economic and social development of one of the most strategic regions of China.
A Work of Epic Proportions: The Tianshan Shengli Tunnel

Imagine crossing one of the largest mountain ranges in the world in just 20 minutes. This is the impact of the Tianshan Shengli, a project that will drastically reduce travel time between Urumqi and Korla, from 480 kilometers to under two hours. The tunnel will be a milestone in engineering, demonstrating how technology and planning can transform inhospitable landscapes into accessible routes.
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Previously, crossing the Tianshan Mountains was a challenging and time-consuming journey. With the new tunnel, residents and traders will have a faster and safer alternative, boosting commerce and improving the quality of life in the region. Connectivity promises to attract investments and stimulate tourism.
Economic Benefits of the World’s Largest Road Tunnel
The construction of the Tianshan Shengli is more than just an infrastructure project — it is a catalyst for the economic development of Xinjiang. With new trade routes, the region will be able to better leverage its energy reserves and natural resources, attracting businesses and generating jobs.
Xinjiang, located in the heart of the Economic Belt of the Silk Road, plays a crucial role in the connectivity between China and Central Asian countries. The tunnel will help consolidate this position, strengthening both commercial and geopolitically strategic relations.
Excavating Under the Tianshan Mountains
The Tianshan Mountains are not an easy obstacle to overcome. With almost 320 kilometers in width, they represent a technical and environmental challenge. However, advanced excavation and engineering techniques are being used to ensure the safety and efficiency of the project.
While other impressive tunnels, such as Rogfast in Norway, are also under construction, the Tianshan Shengli stands out for its complexity and strategic impact. It combines technical challenges with unique economic and geopolitical ambitions.
The Importance of Xinjiang to China
Xinjiang is a strategic region, bordering eight countries, including Russia and Kazakhstan. The Tianshan Shengli will not only benefit domestic trade but will also reinforce China’s influence in Central Asia, creating new opportunities for economic cooperation.
The Tianshan Shengli is more than just a tunnel, it is a symbol of human capacity to overcome natural barriers and transform entire regions. This project not only shortens distances but also builds bridges to the future, connecting economies and cultures.

Maior tunel rodoviario do mundo fica na Noruega… 24 km.. para de fazer propganada chinesa ..
https://en.m.wikipedia.org/wiki/L%C3%A6rdal_Tunnel
Por isso é o 2° maior túnel!
Estou a procura de um trabalho vi u anúncio e me interessei gostaria de ter mas informações
Vá a luta meu amigo