Connecting Southcentral Alaska

Overview of the Knik Arm Tunnel Feasibility Study

The Alaska Department of Transportation and Public Facilities (DOT&PF) is conducting a comprehensive feasibility study to assess the potential for a transportation tunnel beneath the Knik Arm, connecting Anchorage with the Matanuska-Susitna Valley. This project aims to explore alternative transportation corridors that address current and future transportation needs, enhance resilience to natural disruptions, and promote economic development in the region. The study will evaluate the tunnel's engineering, environmental, and financial feasibility, offering solutions that could alleviate traffic on the Glenn Highway and provide a more direct link to northern Alaska.

Purpose of This Website

This website provides public access to various reports and documents related to the Knik Arm Tunnel Feasibility Study. Here, contractors, stakeholders, and community members can explore ongoing assessments, including geotechnical analyses, alignment proposals, and cost estimates, as well as updates on project progress and findings. Our goal is to maintain transparency and foster collaboration by making project details accessible, keeping stakeholders informed as we move through the feasibility study and decision-making process.

Library of Previous Studies