Anzob Tunnel Road. It is also a transit route between Dushanbe and Uzbekistan's capital Tashkent. Prior to construction of the tunnel, especially during winter, the threat of year-round avalanches led to periodic disruptions of commerce. 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 and drainage infrastructure. As of May
2008 Channel Tunnel fire a fire is detected on a train, it continues to the next station, passengers and crew are evacuated into the service tunnel and an automatic system puts the fire out with water mist. These were operational in autumn 2011, and tested in January 2012. The investigation was led by the French Land Transport Accident Investigation Bureau ("") and supported by the British Rail Accident Investigation Branch. The report was published on 22 November 2010. 2008 Channel Tunnel fire The 2008 Channel Tunnel fire occurred on 11 September 2008 in the Channel Tunnel. The incident involved a France-bound Eurotunnel Shuttle train