High-speed rail in Uzbekistan
High speed rail in Uzbekistan currently consists of 600 km of track and services using Talgo 250 equipment, branded Afrosiyob by operator Uzbekistan Railways, on upgraded conventional lines. All HSR lines have been built using upgraded lines on Russian gauge. Other regional railways exist.  
The country currently has two interoperated lines:
- Tashkent–Samarkand high-speed rail line, opened 2011 using HSR capable trains while upgrading taking over 2.5 hours, in 2013 the 344km route full commercial speed taking 2 hours and 8 minutes.
- Samarkand-Bukhara high-speed rail line, opened Aug 2016, extension of the first line, 256 km taking 1 hour 12 minutes, or from Tashkent 3 hours and 20 minutes.
Services from Tashkent to Almaty, Kazakhstan have been steadily improving from the Soviet era 30 hours to 16.5 hours as of 2017.. There is also a 1.5 hour customs stop at the border (included?). The service uses Tulpar-Talgo equipment of joined Uzbek-Kazakh rail cars. Similarly, the route from Almaty to the Chinese HSR rail head at Urumqi has been upgraded to 8 hours (change of gauge), qualifying as a higher-speed rail link. Chinese may be looking to develop the entire Urumqi and Tashkent segment into a full speed HSR line due to Belt and Road, but as of 2017 this is far from certain. There is also a track gauge difference that effectively prevents high speed usage of current Uzbek HSR by China.
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- "Поездка в Самарканд на поезде Afrosiyob теперь занимает два часа" (in Russian). Gazeta.uz. 2013-02-12.