9:16 yesterday in Aba Blackwater County Hongyuan County at the junction of the Yake Xia Snow Mountain Tunnel officially through the tunnel length of 2302 meters, is China to build the highest elevation highway tunnel, will be the end of the year open to traffic.
Tunnel crossing Yake Xia snow-capped mountains, the highest elevation of 4743 m, and perennial snow cover, annual snow closing off hills for nearly nine months, the minimum temperature of minus 37.5 ° C on average 50-60% reduction in the efficiency of the construction personnel and equipment, site work and has replacement of more than 5000 people, the tunnel has been started, the size of the collapse 20 times.
The tunnel opened to traffic, the former provincial highway 302 line can be avoided over the curves are sharp and steep slopes of the the Yake Xia Snow Mountain Pass 12 km dangerous road to ensure that the original direction of Malcolm and red to Blackwater County traffic throughout the year smooth, greatly improved the traffic security. Also created a new tourist routes, driven by local economic development. Source: WCC
