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Valuation and Crediting Approaches for Transportation and Metropolitan Planning Agencies

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Ecosystem services measurement and crediting tools are recognized as important to the transportation planning and project implementation process because they can aid the process of mitigating environmental impacts by reducing transaction costs, improving environmental outcomes, and shortening the time needed to implement projects. Because of this, they have been identified as a key step in the Eco-Logical framework integrating transportation and conservation planning, characterized by a SHRP2 Capacity Program Study as the Integrated Ecological Framework (IEF). Currently, there is not a straightforward methodology for creating a transportation-centric crediting program available throughout much of the US. However, successful programs in California, North Carolina, Oregon, and Washington have all developed approaches cooperatively with the regulatory agencies, state and non-governmental conservation programs, those actively involved in mitigation banking, and agencies or organizations funding restoration activities. An overview of crediting systems and valuation methods and their use at various scales in transportation planning are presented. Current projects and programs are evaluated to identify opportunities and obstacles transportation organizations may encounter when attempting to implement a crediting program.

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