PURPOSE: The Alaska Department of Transportation and Public Facilities' stated purpose is to reconstruct the Dalton Highway
between Milepost 209 and 222, and develop two material sites at MP 224 and MP 210 by widening, resurfacing, raising grade,
brush cutting, and repairing drainage along the roadway. Because of the consistent and relatively high-volume, heavy truck
traffic and the effects of permafrost on the highway, roadway surface and drainage improvements are needed to continue to
provide ground transportation to the North Slope. This project is also needed to relocate a portion of the Dalton Highway
away from a frozen debris lobe located near Milepost 218.5. A slow-moving landslide occurring on a permafrost-affected slope
and made of soil, rock, trees, and ice is about 136 feet away from the highway and is moving toward the road at a rate of
about 0.48 inches per day. At this rate, it could reach the highway in 9 years. Moving a portion of the road away from the
frozen lobe would protect the road for at least 20 years.
PROPOSED WORK: The Alaska Department of Transportation and Public Facilities' proposes 91,500 cubic yards of fill material
that would permanently impact 25 acres of wetlands and waters of the United States, and 32.5 acres of temporary wetland fill
during reconstruction of the Dalton Highway between MP 209 and 222. Approximately 3 acres of permanent wetland impacts and
2.5 acres of temporary wetland impacts would occur at the material site and access road at MP 210. All work would be
performed in accordance with the enclosed plan (sheets 1-12), dated FEBRUARY 2016. The complete set of project plans, a
Detailed Project Description and Mitigation Plan can be found on our website along with this Public Notice.
POA-2016-43, Dietrich River_PN.pdf
POA-2016-43, Dietrich River_Full Plans.pdf
POA-2016-43, Dietrich River_Detailed Project Description.pdf
POA-2016-43, Dietrich River_Mitigation Plan.pdf