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Open Access Publications from the University of California

2015 Mitigation Needs Assessment for Transportation Projects for the Sacramento Valley Pilot Project for Regional Advance Mitigation Planning

  • Author(s): Thorne, James H;
  • Bjorkman, Jacquelyn;
  • Boynton, Ryan M;
  • Huber, Patrick R
  • et al.
Creative Commons 'BY' version 4.0 license

This report documents an assessment of the potential environmental impacts of transportation projects under development by Caltrans for a study area. The report is an update of a previous study, overseen by the by the Regional Advance Mitigation Planning (RAMP) working group (Regional Advance Mitigation Planning Work Group, 2011). The RAMP working group previously selected the pilot project area as a useful area in which to provide an application and test of methods to conduct a regional accounting of the expected impacts from multiple projects. This approach to impact assessment is an integral part of developing regional advance mitigation planning methodologies.


This report provides an overview of the legal obligations for Caltrans with regard to compensatory mitigation, with a listing of the federal and state acts that require special consideration, consultation or permits for impacts to species or habitat, and to the waters of the United States and California, including wetlands. Also provided within each regulation is the presiding jurisdiction or agency that issues the consultation and/or permit and a definition of what the law protects.

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