Environmental Guidance

This page contains general environmental guidance.  For guidance in specific resource areas, please see Resource Information.

• Guidance for Determining De Minimis Impact to Section 4(f) Resources – 12/13/2006
• SAFETEA-LU Environmental Review Process Final Guidance – 11/15/2006
• Notice of Availability of Guidance on Section 6002 of the Safe, Flexible, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) – 11/15/2006
• Congestion Mitigation and Air Quality Improvement (CMAQ) Improvement Program – Interim Program Guidance – 10/31/2006