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Loading street network
Preparing map data
First load saves the data locally.
Grid-n-berg
(grid on a mountain)
Real-time routing on a 3D pedestrian network. Drag the markers ('O' for origin, 'D' for destination) to change the route and observe the differences between the routing scenarios.
Slope network
Gentle
Steep
Colored outlines approximate the outer extent of complete network segments reached within each scenario's route-cost score.
Distance
Accessible
Comfort
First preview
Analyzing reachable boundaries
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Approx. boundary pending
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Approx. boundary pending
Loading network data
About the data
Grid-n-berg
Grid-n-berg is a topography-aware pedestrian routing dataset for New York City. It starts from an existing pedestrian network, assigns local elevation to network vertices, and compares routes using distance-only, comfort, and accessibility-sensitive cost profiles.
- Elevation
- NYC Planimetric Database ELEVATION layer
- Reference
- U.S. Access Board ADA Chapter 4
Citation
Noyman, A. (2026). Gridnberg: A topography-aware pedestrian routing dataset for New York City [Data set and software]. arielnoyman.com/gridnberg
Project by arielnoyman.com
Slope evaluation
Routing scenarios
The accessible profile is a slope-aware scenario, not an ADA compliance label. The dataset does not measure cross slope, curb ramps, sidewalk width, surface condition, obstacles, legal access, or temporary conditions.