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A tremendous amount of work at the District Department of Transportation (DDOT) is done behind the scenes, long before crews break ground on construction projects. Our planning staff designs new...
Search relevance: 124.21 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Shapefiles of the Aquaculture Opportunity Area (AOA) study developed during 2021 for the Gulf of Mexico. Included in this dataset are: (1) Study areas in the Gulf of Mexico developed based on...
Search relevance: 38.61 | Views last month: 2 | Catalog Last Checked: October 26, 2026 at 09:48 PM -
This dataset was produced in by the Delaware Geological survey in cooperation with the US Geological Survey and Delaware Department of Transportation for the purpose of delineating gage basins and...
Search relevance: 37.26 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:58 PM -
In cooperation with the South Carolina Department of Transportation, the U.S. Geological Survey prepared a geospatial raster dataset describing impervious surface in the SC StreamStats study area...
Search relevance: 37.05 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:40 PM -
This dataset was produced in by the Delaware Geological survey in cooperation with the US Geological Survey and Delaware Department of Transportation for the purpose of calculating stream gage...
Search relevance: 36.97 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 09:59 PM -
In cooperation with the South Carolina Department of Transportation, the U.S. Geological Survey calculated four land cover basin characteristics rasters as part of preparing the South Carolina...
Search relevance: 36.76 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:50 PM -
In cooperation with the Federal Emergency Management Agency, the Pennsylvania Department of Transportation, the Pennsylvania Department of Environmental Protection, and the Susquehanna River Basin...
Search relevance: 36.17 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:48 PM -
In cooperation with the South Carolina Department of Transportation, the U.S. Geological Survey calculated four land cover basin characteristics rasters from the National Land Cover Database...
Search relevance: 35.78 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:39 PM -
The U.S. Geological Survey, in cooperation with the Colorado Department of Transportation, developed peak-, mean-, and low-streamflow regional-regression equations for natural streamflow in...
Search relevance: 35.23 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:16 PM -
The Alabama Department of Transportation (ALDOT) and the U.S. Geological Survey (USGS) studied several sites in the northern East Gulf Coastal Plain of Alabama to investigate effects of newly...
Search relevance: 34.09 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:43 PM -
The U.S. Geological Survey (USGS), in cooperation with the Texas Department of Transportation (TxDOT), calculated several basin characteristic rasters for use in the Texas StreamStats application...
Search relevance: 31.08 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:59 PM -
The U.S. Geological Survey, in cooperation with the Federal Highway Administration (FHWA) and the Connecticut, Massachusetts, and Rhode Island Departments of Transportation (DOTs), gathered...
Search relevance: 30.37 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:30 PM -
Municipal Separate Storm Sewer System (MS4) permitees including the California Department of Transportation need information about potential loads and yields (loads per unit area) of constituents...
Search relevance: 30.21 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:07 PM -
This data release documents the location of intersections between roads and streams, referred to as road crossings, and associated basin characteristics to support highway-runoff mitigation...
Search relevance: 28.80 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:26 PM -
“Karst” landscapes are characterized by distinctive hydrology and surface features, such as closed depressions, sinkholes, and sinking streams, that result from high rock solubility and...
Search relevance: 27.33 | Views last month: 7 | Catalog Last Checked: September 10, 2026 at 09:27 PM -
The North Carolina Department of Transportation (NCDOT) began work on a highway widening project on Interstate-26 (I-26) in January 2020. The French Broad River flows adjacent to and under I-26...
Search relevance: 27.11 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:00 PM -
To observe real-time pier scour at three scour-critical sites in Idaho, the U.S. Geological Survey, in cooperation with Idaho Transportation Department, installed and operated fixed real-time...
Search relevance: 25.77 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:47 PM -
Grizzly bear (Ursus arctos) habitat use maps delineate predicted habitat use for grizzly bears around federally designated recovery zones in and near western Montana. These raster data are the...
Search relevance: 25.69 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:31 PM -
This geopackage contains sixteen layers representing data from a variety of landscape metrics used to analyze the landscape dynamics of the Greater Yellowstone Area. Their names, descriptions and...
Search relevance: 25.05 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:23 PM -
In 2013, the U.S. Geological Survey (USGS) in partnership with the U.S. Federal Highway Administration (FHWA) published a new national stormwater quality model called the Stochastic Empirical...
Search relevance: 22.27 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:38 PM
