Policy & Guidance

The PROTECT Formula Program Guidance The PROTECT Formula Program supports a range of transportation resilience improvements and planning activities.
Questions and Answers Regarding Implementation of 23 CFR Part 667: Periodic Evaluation of Facilities Repeatedly Requiring Repair and Reconstruction Due to Emergency Events (November 2018)
Integration of Resilient Infrastructure in the Emergency Relief Program (October 2019). This memorandum provides clarity on how States can incorporate resilience into their ER program funded projects.
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 changing conditions in riverine environments.(PDF, 6MB)
FHWA Order 5520 (December 15, 2014)
Hydraulic Engineering Circular No. 25 - 3rd Edition: Highways in the Coastal Environment (January 2020) - Provides technical information and methods for planning, designing and operating highways in the coastal environment; summarizes coastal science concepts including sea level rise and storm surge; and, discusses applications in coastal highway design and adaptation strategies.