Real-Time DMS Sign Messages API: What's on the Highway Signs Right Now

Dynamic Message Signs (DMS) — those big electronic boards over highways — display real-time traveler information: incident warnings, travel times, amber alerts, construction notices. Road511 captures the current message from every DMS sign across 30+ US states and Canadian provinces. Nobody else aggregates this data. What You Get curl "https://api.road511.com/api/v1/features?type=signs&jurisdiction=GA&limit=10" \ -H "X-API-Key: your_key" { "data" : [ { "id" : "ga-sign-i85-042" , "jurisdi