Policy & Guidance
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- FHWA Transmittal of CEQ Guidance on Consideration of Greenhouse Gas Emissions and the Effects of Climate Change in National Environmental Policy Act Reviews (August 4, 2016)
- Hydraulic Engineering Circular 17: Highways in the River Environment - Floodplains, Extreme Events, Risk, and Resilience, 2nd Edition (June 2016) Provides technical guidance and methods for assessing the vulnerability of transportation facilities to extreme events and climate change in riverine environments.(PDF, 6MB)
- FHWA Order 5520 "Transportation System Preparedness and Resilience to Climate Change and Extreme Weather Events" (December 15, 2014)
- U.S. Department of Transportation Climate Adaptation Plan (October 2014) (PDF, 6.89MB)
- Hydraulic Engineering Circular 25, Vol. 2: Highways in the Coastal Environment: Assessing Extreme Events (October 31, 2014) - provides technical guidance and methods for assessing the vulnerability of coastal transportation facilities to extreme events and climate change, focusing on sea level rise, storm surge, and waves.
- Eligibility of Activities To Adapt To Climate Change and Extreme Weather Events Under the Federal-Aid and Federal Lands Highway Program (September 2012)
- US DOT Policy Statement on Climate Change Adaptation (June 2011) (Adobe PDF)