Alaska Initiates Knik Arm Tunnel Feasibility Study
The State of Alaska Department of Transportation and Public Facilities is soliciting for professional civil and geotechnical engineering services to perform a feasibility study for constructing a tunnel underneath Knik Arm, creating a new transportation corridor between Anchorage and the Matanuska-Susitna Valley, and destinations to the north and east. This study will address potential safety, mobility, and economic benefits associated with the proposed tunnel as an alternative to the existing Glenn Highway and will assess the feasibility of utilizing advanced tunneling technologies aimed at reducing costs and increasing boring speeds.
Proposals are being accepted through January 8. The RFP package can be accessed here. The estimated period for performance of the Agreement is approximately December 2024 through December 2025. Cost of these professional services is expected to be in the range of $1 million or greater.
Proposals and initiatives for building a connection across the Knik Arm date back at least 20 years and have included a rail line, vehicular bridge and ferry in addition to the tunnel, according to the Mat-Su Sentinel.
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