The Anzob Tunnel, Istiqlol tunnel or Ushtur Tunnel is a 5,040 m long tunnel located northwest of Tajikistan's capital

Dushanbe Dushanbe ( tg, Душанбе, ; ; russian: Душанбе) is the capital and largest city of Tajikistan. , Dushanbe had a population of 863,400 and that population was largely Tajik. Until 1929, the city was known in Russian as Dyushambe (ru ...

, at an elevation of . The tunnel is part of the M34 highway and connects the Tajik capital to the country's second largest city,

Khujand Khujand ( tg, Хуҷанд, Khujand; Uzbek: Хўжанд, romanized: Хo'jand; fa, خجند‌, Khojand), sometimes spelled Khodjent and known as Leninabad (russian: Ленинабад, Leninabad; tg, Ленинобод, Leninobod; fa, لنی ...

. The tunnel was opened in 2006 despite being only partially finished. In 2014 Iran's government signed an agreement to finish the tunnel and the tunnel was reopened in late 2015. The tunnel saves drivers at least 4 hours when traveling between Dushanbe and Khujand and allows travelers to avoid having to pass through

Uzbekistan Uzbekistan (, ; uz, Ozbekiston, italic=yes / , ; russian: Узбекистан), officially the Republic of Uzbekistan ( uz, Ozbekiston Respublikasi, italic=yes / ; russian: Республика Узбекистан), is a doubly landlocked co ...

Strategic importance

Its construction put an end to Uzbekistan's ability to halt traffic between Tajikistan's two largest cities (the two countries have suffered from long-term diplomatic disputes). It marked the beginning of other major co-operative projects such as the Sangtuda-2 power plant. The tunnel is also said to be part of a planned road which would run from

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

through

Herat Herāt (; Persian: ) is an oasis city and the third-largest city of Afghanistan. In 2020, it had an estimated population of 574,276, and serves as the capital of Herat Province, situated south of the Paropamisus Mountains (''Selseleh-ye Safē ...

in western

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...

and

Mazar-i-Sharif , official_name = , settlement_type = City , image_skyline = , pushpin_map = Afghanistan#Bactria#West Asia , pushpin_label = Mazar-i-Sharif , pushpin ...

and

Sherkhan Bandar Sher Khan or Shir Khan ( ps, شیر خان بندر; prs, شیرخان بندر) is a border town in the northern Kunduz Province of Afghanistan, next to the Panj River. The town's main attraction is the Sher Khan Bandar, which is a dry port and ...

in northern Afghanistan to Tajikistan and from there up to China. The route has been named the new Silk Road. It is also a transit route between Dushanbe and Uzbekistan's capital

Tashkent Tashkent (, uz, Toshkent, Тошкент/, ) (from russian: Ташкент), or Toshkent (; ), also historically known as Chach is the capital and largest city of Uzbekistan. It is the most populous city in Central Asia, with a population of 2 ...

. Prior to construction of the tunnel, especially during winter, the threat of year-round avalanches led to periodic disruptions of commerce.

Construction timeline

The tunnel was officially opened in March 2006; it was built by the Iranian Sabir Co. Due to the significance of the tunnel, limited traffic flow was permitted via signing a waiver form noting potential hazards such as flooding and smog from construction equipment operating inside the tunnel prior to the final construction phase which may have included installation of

ventilation Ventilation may refer to: * Ventilation (physiology), the movement of air between the environment and the lungs via inhalation and exhalation ** Mechanical ventilation, in medicine, using artificial methods to assist breathing *** Ventilator, a m ...

and

drainage Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess of water. The internal drainage of most agricultural soils is good enough to prevent severe waterlogging (anaerobic condition ...

infrastructure. Anzob North Portal

As of May 2014, the tunnel was still unfinished and the Iranian government and Tajik government had signed an agreement to complete the project by late March 2015. The tunnel was closed in June 2015 for repair work and reopened for traffic in September 2015 after leakage problems and concreting the base and lighting the tunnel was completed. It was officially inaugurated in August 2017.

References

{{coord, 39.0879, 68.6927, format=dms, region:TJ_type:landmark_dim:5000, display=title Tunnels in Tajikistan Tunnels completed in 2006 Road tunnels