Major projects include rehabilitation of the Dushanbe – Chanak (Uzbek border), Dushanbe – Kulma (Chinese border), and Kurgan-Tube – Nizhny Pyanj (Afghan border) highways, and construction of tunnels under the mountain passes of Anzob, Shakhristan, Shar-Shar Shar-Shar auto tunnel links Tajikistan to China , The 2 kilometers Shar-Shar car tunnel linking Tajikistan and China opened to traffic on 30 Aug.., Siyavush Mekhtan, 3 September 2009 and Chormazak.