A Guide for the Preservation of Highway Tunnel Systems

TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop a guide for possible adoption by the American Association of State Highway and Transportation Officials that will assemble a catalog of highway tunnel preservation actions; quantify the benefits of tunnel preservation actions; provide decision-making tools to optimize tunnel preservation actions; and develop a method to determine appropriate levels of funding and staffing to achieve agency selected goals and performance measures. Proposals are due December 20, 2011.

Read the RFP

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