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Cantwell to Healy – Parks Highway Milepost 203-259 Planning & Environmental Linkages (PEL) Study
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2022-03-01
[PDF-8.62 MB]
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Abstract:This Planning and Environmental Linkages (PEL) study outlines a plan for implementing future transportation and access improvements along the Parks Highway corridor between mileposts (MP) 203 and 259 in Interior Alaska. The Federal Highway Administration Western Federal Lands (WFL) Highway Division, in partnership with the Alaska Department of Transportation and Public Facilities (DOT&PF) Northern Region and National Park Service (NPS), conducted this PEL study which was developed in coordination with regional stakeholders, agencies and the public. This PEL study is intended to help project sponsors implement proposed improvements in the future as funding becomes available. The Parks Highway is one of the most important corridors in Alaska for commerce, recreation, tourism, and community connection, as it is one of only two highways that connects Southcentral Alaska to Interior Alaska. With its state and national scenic byway designation, the Parks Highway provides access to natural and recreational opportunities considered “world-class.” At MP 237, the Parks Highway provides access to the only road into nearby Denali National Park and Preserve (DNP), which is considered one of America’s Crown Jewels. Visitors and travelers associated with DNP heavily influence the corridor. An abundance of recreational opportunities increasingly draws visitors to the region. The highway corridor provides access to several small communities and includes the generally parallel-running Alaska Railroad mainline, which also brings freight and visitors to and through the corridor. The highway is a critical link in the roadway network as it provides the most direct freight connection between the state’s largest port in Southcentral and the North Slope oilfields. The highway traverses physical constraints such as mountainous terrain and many waterways such as the Nenana River. While the geologic terrain is diverse and remarkable, it also poses numerous natural hazards to the highway and causes maintenance issues such as thaw-unstable soils, erosion, landslides, rockfalls, inadequate drainage, inadequate shoulders, frost heaves, and sinking roadway conditions. In addition to the roadway, DOT&PF maintains 22 bridges and more than 200 culverts within the study corridor.
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