Road511
Unified traffic data from 65 US/CA jurisdictions: events, cameras, signs, bridges, truck routes
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- No
- Category
- Transportation
- Documentation / URL
- https://road511.com/docs.html
Overview
Road511 provides unified traffic data — key-based.
⚠️ Status (verified 2026-08): a guessed path returned HTTP 404 (HTML) — the route paths differ. Check the docs for valid routes.
What it provides
curl "https://api.road511.com/v1/events?key=YOUR_KEY"Notes
- 65 US/CA jurisdictions.
- Route paths per the docs.
FAQ
Is Road511 free? Key-based with a free tier per the docs.
Why 404? Our 2026-08 guess path was wrong (verified) — check the docs.
What does it return? Traffic data.
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