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
Khorezm People's Soviet Republic Autonomous Soviet Socialist Republic to the north and to the south, and on the Bukharan People's Soviet Republic to the east. Its western border was a rough continuation of the western coast of Aral Sea, bordering on what was then the Kirghiz ASSR (today's western Kazakhstan). It had an area of and a population of more than 600,000 people, mainly Uzbeks (62.5%), Turkmens (28.6%), Kazakhs (3.5%), and Karakalpaks (3.0%). Its capital was Khiva. Khorezm People's Soviet Republic The Khorezm People's Soviet Republic (; ) was the state created as the successor to the Khanate of Khiva in February 1920, when