Open source · Open data · City by city
Sidewalk data should be as visible as the streets around it.
OpenSidewalkMap turns OpenStreetMap pedestrian data into practical, transparent tools for exploring accessibility, comfort, safety and data quality.
01
Decentralized by design.
How it works
Decentralized by design.
Connected by a common codebase.
Local nodes
One repository for every city
Each node publishes its own maps, analyses and datasets. Local deployments stay independent while following the same transparent structure.
Shared evolution
One maintained core
All nodes track the latest tested OSWM codebase, keeping improvements consistent across the network.
Open infrastructure
Static and inspectable
GitHub Actions refresh the data and GitHub Pages serves it without a proprietary application backend.
02
From individual features
The toolkit
From individual features
to a citywide picture.
Webmap
Interactive vector-tile views of sidewalks, crossings, kerbs, stairways and pedestrian areas.
Accessible routing
Comparable routes for distance, wheelchair, blind or low-vision, and reduced-mobility profiles.
Data quality
Actionable checks that expose missing, inconsistent and outdated pedestrian-network information.
Hazard analysis
Profile-specific screening using kerbs, tactile paving, surfaces, barriers and terrain evidence.
Data Hub & API
Cloud-optimized downloads, ISO-aligned metadata and direct GIS-friendly access to node products.
Statistics
Citywide summaries that reveal coverage, tagging patterns and the age of mapped infrastructure.
03
Traceable from source
The open pipeline
Traceable from source
to public insight.
- 1OpenStreetMap
Community-maintained pedestrian data.
- 2Automated processing
Repeatable acquisition, checks and transformations.
- 3Cloud-ready formats
GeoParquet, PMTiles, JSON and metadata.
- 4Public node
Maps and files available to everyone.
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