Flooding still a large concern on Dalton Highway

Concern continues about flooding on the northern end of the Dalton Highway. Water from the Sag River overran the Dalton south of Deadhorse last year, causing extensive damage that closed the road for weeks. Mitigation work is aimed at reducing impacts of encroaching ice and water.
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Map of Dalton Highway (Photo courtesy of Alaska Department of Transportation) 
A severely impacted stretch of the Dalton Highway between mileposts 397 and 405 was raised last summer, and State Depar