United States Department of Transportation
ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners.
As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.
i
Coastal Flood Roadway Vulnerability Assessment
-
2025-03-01
[PDF-57.07 MB]
Details:
-
Creators:
-
Corporate Creators:
-
Corporate Contributors:
-
Subject/TRT Terms:
-
Publication/ Report Number:
-
Resource Type:
-
Geographical Coverage:
-
Edition:Final; October 2023 – March 2025
-
Corporate Publisher:
-
Abstract:Coastal flood data and maps were developed using an ADvanced CIRCulation (ADCIRC) hydrodynamic model with resolution as fine as 30 m on the coastline. Annual exceedance probability (AEP) still water levels caused by storm surges were taken from the United States Army Corps of Engineers (USACE) South Atlantic Coastal Study’s (SACS) publicly available data. Road vulnerability to flood hazards was determined using these flood values in tandem with a new airborne Light Detection and Ranging (LiDAR)-derived digital elevation model (DEM). With the flood vulnerability determined on local road segments, planners can utilize these data to identify areas that need to be addressed. The overarching goal was to proactively prepare the Georgia Department of Transportation (GDOT) and the State of Georgia to anticipate the impacts of coastal surges, high tides, and sea level rise on all ground transportation routes. The research will benefit GDOT and supporting agencies in developing future transportation resiliency and maintenance plans. This work falls into the 2021 Statewide Strategic Transportation Plan under Foundational and Catalytic Investments in rural and emerging metro coastal corridors.
-
Format:
-
Funding:
-
Collection(s):
-
Main Document Checksum:
-
Download URL:
-
File Type:
