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Federal
Navigable Waterway Network Lines NGDA
Federal Geographic Data Committee —
The Navigable Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
City
Light Rail Stations
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
Federal
BETA - Hazard Exposure: Select North American Rail Network Lines NGDA
Federal Geographic Data Committee —
The BETA - Hazard Exposure: Select North American Rail Network Lines dataset was updated on October 16, 2025 from the Bureau of Transportation Statistics (BTS) and is... -
City
Frequent Transit Network
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
Federal
North American Rail Network Lines NGDA
Federal Geographic Data Committee —
The North American Rail Network (NARN) Rail Lines dataset was created in 2016 and was updated on September 30, 2025 from the Federal Railroad Administration (FRA) and... -
State
CTDOT Roadway Basemap
State of Connecticut —
A custom basemap created for internal Connecticut Department of Transportation in web apps and maps.The basemap represents the most recent and active Public Road... -
City
Bicycle Catalyst Projects
City of Seattle —
The Bicycle and E-Mobility Element of the STP will help create a safer, more bikeable Seattle. It provides a foundation for the City of Seattle to grow our investment... -
City
Light Rail Alignment
City of Seattle —
Frequent, reliable transit service is the foundation of a transportation system that empowers all travelers and makes Seattle a truly transit-friendly city. A robust... -
City
Bike Plus Network
City of Seattle —
The Bicycle and E-Mobility Element of the STP will help create a safer, more bikeable Seattle. It provides a foundation for the City of Seattle to grow our investment... -
Federal
Rail Mileposts NGDA
Federal Geographic Data Committee —
The Rail Mileposts dataset was compiled on June 15, 2025 and was updated on September 01, 2025 by the Federal Railroad Administration (FRA), and is part of the U.S.... -
City
Enhanced Street Crossings
City of Seattle —
The Pedestrian Element of the Seattle Transportation Plan (STP) is a blueprint to create a more walkable Seattle and provides a suite of pedestrian improvements... -
State
Unimproved Roads
State of Connecticut —
A custom basemap created for internal Connecticut Department of Transportation in web apps and maps.The basemap represents the most recent and active Public Road... -
State
Routing Segments
State of Connecticut —
A custom basemap created for internal Connecticut Department of Transportation in web apps and maps.The basemap represents the most recent and active Public Road... -
Federal
Data from: Spatial and temporal features of snow water equivalent across a headwater catchment in the Sierra Nevada
Department of Agriculture —
Accompanying dataset for: “Spatial and Temporal Features of Snow Water Equivalent Across a Headwater Catchment in the Sierra Nevada”Abstract:Here, we present the... -
City
Street Network Database SND
City of Seattle —
The pathway representation consists of segments and intersection elements. A segment is a linear graphic element that represents a continuous physical travel path... -
State
All Public Roads
State of Oregon —
OR-Trans is a GIS road centerline dataset compiled from numerous sources of data throughout the state. Each dataset is from the road authority responsible for (or... -
City
Substandard Sidewalks
City of Seattle —
The Pedestrian Element of the Seattle Transportation Plan (STP) is a blueprint to create a more walkable Seattle and provides a suite of pedestrian improvements... -
City
Transit Connection Corridors
City of Seattle —
The Pedestrian Element of the Seattle Transportation Plan (STP) is a blueprint to create a more walkable Seattle and provides a suite of pedestrian improvements... -
City
Blockface
City of Seattle —
Displays blockfaces for all segments of the street network. Identifies the elements of the block, such as peak hour restrictions, length of the block, parking...