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
Domain Tunnel speed limit applies and normal radio broadcast is regularly interrupted by announcements. Domain Tunnel The Domain Tunnel is a road tunnel located in Melbourne, Australia, which carries traffic westbound from the Monash Freeway to the West Gate Freeway, running under the Yarra River and Kings Domain. The tunnel is part of the CityLink Tollway operated by Transurban and provides a bypass of the central business district. The tunnel was constructed between 1996 and 1999 by Transfield-Obayashi Joint Venture. It was officially opened to traffic on 16 April 2000 with a temporary 60 km/h speed limit, and was free to use