THE CHALLENGE Keep one of Alaska’s vital roadways operational in an extreme northern environment. JOB OWNER Alaska Department of Transportation ENGINEER University of Alaska - Fairbanks CONTRACTOR Alaska Department of Transportation DATE OF INSTALLATION August 2010 The Dalton Highway is one of the most isolated roads in the United States. However, it serves a large amount of truck traffic because it is the only route for ground transportation between the oil fields at Prudhoe Bay and the city of Fairbanks. The extreme northern environment causes degradation of this 500-mile highway due to frost heave and thaw weakening. One problem section, at mile post 110, known as Beaver Slide experiences severe deterioration during Spring thaw due to shallow groundwater that runs downslop

Join for free to read