Dushanbe of April 2015, had regularly scheduled flights to major cities in Russia, Central Asia, as well as Delhi, Dubai, Frankfurt, Istanbul, Kabul, and Ürümqi amongst others. Tajikistan's principal railways are in the southern region and connect Dushanbe with the industrial areas of the Gissar and Vakhsh valleys and with Uzbekistan, Turkmenistan, Kazakhstan and Russia. The Dushanbe trolleybus system operates public buses in the city. Automobiles are the main form of transportation in the country and many highway and tunnel construction projects are underway or have recently been completed. Major projects include rehabilitation of the Dushanbe – Chanak (Uzbek border), Dushanbe
Dushanbe Central Asian capitals, with an average annual rainfall over as moist air is funnelled by the surrounding valley during the winter and spring. Winters are not as cold as further north owing to the shielding of the city by mountains from extremely cold air from Siberia. January 2008 was particularly cold, and the temperature dropped to . Dushanbe is divided into the following districts: The population of Dushanbe: Tajik Air has its head office on the grounds of Dushanbe Airport in Dushanbe. Somon Air has its head office in Dushanbe. The city is served by Dushanbe International Airport which as