Your drive
Live road warnings, when you need them.
LIVE GPS · experimental
Uses Safari location updates. Warnings wait for corroborated movement; GPS drift can still cause errors. Real-road performance has not been validated.
Keep this page open for location updates and alerts.
Start monitoring to see what’s ahead.
Nearby hazards · 50 km · 0 loaded · waiting for GPS
GPS diagnostics
These are browser-reported values, not a verified vehicle speed. Everything stays on this device.
- Updates received
- 0
- Last GPS fix
- --
- Update age
- --
- Reported accuracy
- --
- Raw reported GPS speed
- Unavailable
- Reported heading
- Unavailable
- Movement check
- Unconfirmed · warnings paused
Optional: keeps up to 1,200 GPS updates in memory. No automatic uploads.
0 recorded updates. The export contains exact GPS coordinates, timestamps, settings, recorded bumps and detector decisions. It can reveal your route. It is lost when this page reloads; export before refreshing. Starting a new recording clears the previous one.
Test while safely parked
Start monitoring outdoors with location access enabled. Updates and timestamps should change, but no approach warning should start while stationary. The main speed stays -- until movement is corroborated. A hazard already detected while approaching stays visible during a stop; this does not trigger another sound.
Test warning behavior
Use Simulation for a stationary test of countdown, voice and passage. For live testing, have a passenger observe on a route with a saved bump. Keep Safari visible and the screen unlocked. Allow several fresh, accurate GPS updates while moving. Live warnings need reported speed of at least 7.2 km/h and a usable heading; missing or poor readings pause new alerts. A known approach stays visible until you pass it or leave the road; paused GPS shows the last known distance.
Where next?
Find your route or add a bump you know about.
Spoken warnings as you approach