Datasets

2 datasets

U.S Department of Transportation

Metadata for Coastal Ecological Unusually Sensitive Area data (Coastal Eco USA)

Metadata for Coastal Ecological Unusually Sensitive Areas (Coastal Eco USAs). These are high consequence areas, as defined in 49 CFR § 195.450 and 195.6 (b) (6)-(7), representing coastal beaches (any land between the…

Updated Oct 25, 2026

U.S Department of Transportation

Metadata for High Population Areas

Metadata for High Population Areas (HPAs). These are considered High Consequence Areas (HCAs) as defined in 49 CFR § 195.450. The HPA data is derived from the U.S. Census Bureau’s TIGER Urban Areas geospatial data layer…

Updated Oct 25, 2026