SPORTAT STATE & PUBLIC OF ALASKA NOTICE OF INTENT TO BEGIN ENGINEERING AND ENVIRONMENTAL STUDIES Project Title: Glenn Highway Milepost 66.5 to 92 Rock Slope Stabilization Project No.: CFHWY01259/0A15042 The Alaska Department of Transportation and Public Facilities (DOT&PF) has assumed the responsibilities of the Federal Highway Administration under 23 U.S.C. 327 and is soliciting comments and information on a proposal to evaluate and mitigate multiple rockfall or potential rockfall locations along the Glenn Highway from Milepost 66.5 to 92. The purpose of the proposed project is to improve safety and reduce maintenance costs by evaluating and addressing high-risk, unstable rock slopes and implementing appropriate stabilization measures. The proposed work would include the following, as-needed on a site-by-site basis: Installation or upgrading of rockfall mitigation/anchoring devices (e.g. wire mesh, rock bolts, etc.) to catch rocks before they reach the roadway Installation of fencing and rockfall barriers . Drilling, blasting, scaling, or otherwise excavating rock to create catchment areas for falling rock and/or to remove rock that may create hazards Replacement, repair, or installation of roadside hardware (e.g. lights, signs, guardrail, and bridge rail) Regrading and/or reshaping existing ditches for the placement of barriers Repaving/patching the highway at rockfall damage locations . Drainage relocations or improvements, as needed Utility relocations or adjustments, as needed This proposed project will comply with Section 106 of the National Historic Preservation Act; Executive Orders: 11990 (Wetlands Protection), 11988 (Floodplain Protection), 11593 (Historic Preservation), the Clean Air Act, Clean Water Act, Fish and Wildlife Coordination Act, and U.S. DOT Act Section 4(f). Construction for the proposed project is anticipated to begin in the fall of 2026. To ensure that all possible factors are considered, please provide written comments to the following address by March 11, 2026. Heidi Zimmer, Regional Environmental Manager DOT&PF Preliminary Design & Environmental P.O. Box 196900 Anchorage, Alaska 99519-6900 Heidi.Zimmer@alaska.gov If you have any questions or require additional information, please contact Jacob Dilley, P.E., Project Manager, at (907) 707-1922 or jacob.dilley@alaska.gov. The environmental review, consultation, and other actions required by applicable Federal environmental laws for this project are being, or have been, carried out by DOT&PF pursuant to 23 U.S.C. 327 and a Memorandum of Understanding dated April 13, 2023, and executed by FHWA and DOT&PF. It is the policy of the Alaska Department of Transportation & Public Facilities (DOT&PF) that no person shall be excluded from participation in, or be denied benefits of any and all programs or activities we provide based on race, religion, color, gender, age, marital status, ability, or national origin, regardless of the funding source including Federal Transit Administration, Federal Aviation Administration, Federal Highway Administration and State of Alaska Funds. The DOT&PF complies with Title II of the Americans with Disabilities Act of 1990. Individuals with a hearing impairment can contact DOT&PF at our Telephone Device for the Deaf (TDD) at (907) 269-0473. SPORTAT STATE & PUBLIC OF ALASKA NOTICE OF INTENT TO BEGIN ENGINEERING AND ENVIRONMENTAL STUDIES Project Title : Glenn Highway Milepost 66.5 to 92 Rock Slope Stabilization Project No .: CFHWY01259 / 0A15042 The Alaska Department of Transportation and Public Facilities ( DOT & PF ) has assumed the responsibilities of the Federal Highway Administration under 23 U.S.C. 327 and is soliciting comments and information on a proposal to evaluate and mitigate multiple rockfall or potential rockfall locations along the Glenn Highway from Milepost 66.5 to 92. The purpose of the proposed project is to improve safety and reduce maintenance costs by evaluating and addressing high - risk , unstable rock slopes and implementing appropriate stabilization measures . The proposed work would include the following , as - needed on a site - by - site basis : Installation or upgrading of rockfall mitigation / anchoring devices ( e.g. wire mesh , rock bolts , etc. ) to catch rocks before they reach the roadway Installation of fencing and rockfall barriers . Drilling , blasting , scaling , or otherwise excavating rock to create catchment areas for falling rock and / or to remove rock that may create hazards Replacement , repair , or installation of roadside hardware ( e.g. lights , signs , guardrail , and bridge rail ) Regrading and / or reshaping existing ditches for the placement of barriers Repaving / patching the highway at rockfall damage locations . Drainage relocations or improvements , as needed Utility relocations or adjustments , as needed This proposed project will comply with Section 106 of the National Historic Preservation Act ; Executive Orders : 11990 ( Wetlands Protection ) , 11988 ( Floodplain Protection ) , 11593 ( Historic Preservation ) , the Clean Air Act , Clean Water Act , Fish and Wildlife Coordination Act , and U.S. DOT Act Section 4 ( f ) . Construction for the proposed project is anticipated to begin in the fall of 2026. To ensure that all possible factors are considered , please provide written comments to the following address by March 11 , 2026 . Heidi Zimmer , Regional Environmental Manager DOT & PF Preliminary Design & Environmental P.O. Box 196900 Anchorage , Alaska 99519-6900 Heidi.Zimmer@alaska.gov If you have any questions or require additional information , please contact Jacob Dilley , P.E. , Project Manager , at ( 907 ) 707-1922 or jacob.dilley@alaska.gov . The environmental review , consultation , and other actions required by applicable Federal environmental laws for this project are being , or have been , carried out by DOT & PF pursuant to 23 U.S.C. 327 and a Memorandum of Understanding dated April 13 , 2023 , and executed by FHWA and DOT & PF . It is the policy of the Alaska Department of Transportation & Public Facilities ( DOT & PF ) that no person shall be excluded from participation in , or be denied benefits of any and all programs or activities we provide based on race , religion , color , gender , age , marital status , ability , or national origin , regardless of the funding source including Federal Transit Administration , Federal Aviation Administration , Federal Highway Administration and State of Alaska Funds . The DOT & PF complies with Title II of the Americans with Disabilities Act of 1990. Individuals with a hearing impairment can contact DOT & PF at our Telephone Device for the Deaf ( TDD ) at ( 907 ) 269-0473 .