Public Hazard Feed · v1

Where cyclists actually feel unsafe.

Anonymised hazard reports streamed live from cyclists using the GoBike app. Every record is a single point in time and space — no rider information is included.

Total · Selection

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alerts in view

Verified Hazard

human-confirmed

Rider-Triggered

manual press

Unverified

awaiting review

Scope

—

filters applied

Query

filter by area, period and view mode

Area

Period

View

Show map

Distance Cycled —

Ride Time —

Geospatial

EPSG:4326 · CARTO Positron

Records

sortable · monospace · capped at 2,000 rows · map shows all

Time ▼	Lat	Lng	Status

About this data

Anonymised hazard alerts from cyclists using the GoBike app. No rider information is included — every record is a single point in time and space.

Format: GeoJSON FeatureCollection (one Feature per alert)
Geometry: Point, WGS84 / EPSG:4326
Schema: timestamp · Unix epoch ms (UTC). label · "p" when verified, otherwise unverified. manual · true when rider-triggered, absent otherwise.
Refresh: Source data refreshes every 15 minutes. Browser cache: 1 minute.
Coverage: London (with 33 boroughs), Munich, Amsterdam, Cambridge, San Francisco, Tokyo. Cities below 50 records are withheld.
Licence: Free to use with attribution: "GoBike hazard alerts, BlossomEdge". Please do not attempt to re-identify riders.
Contact: contact@blossomedge.ai

See how to ingest these feeds into ArcGIS, QGIS, Mapbox, or Kepler.gl.

Feed endpoints

Each URL returns a GeoJSON FeatureCollection. Drop one into ArcGIS, QGIS, Mapbox, Kepler.gl, Leaflet, or any tool that ingests GeoJSON. The ↓ saves a snapshot to disk.