Road RadarA map of how the roads really are.
Why Road Radar exists
I'm Andreas Fernbrant. I'm from Sweden, married to a Namibian, and I live in Swakopmund.
Road Radar was born in Etosha, when it felt like my car was being shaken to pieces. I asked myself: what if I could see the quality of the other roads on a map? Maybe my car would be better off.
Maps tell you where the roads are, not what they're like. Road Radar measures that with the phone already in your car, and shares it with everyone who drives after you.
How the measurements work
While you drive, the phone's motion sensors measure how much the car is shaken, fifty times a second. From that shaking we get one number for each stretch, and with your speed we work out an IRI Estimate in m/km. It is an estimate only: it is not a measured or calibrated IRI, and it is not a survey by road engineers.
Each stretch of road gets one of four colours from its most recent drives: good, medium, bad or very rough. The colours are the map; the numbers behind them are estimates from everyday cars, not a survey.
Your privacy
The map only shows averages per stretch of road, with dates to the month. Your drives are never published, and nobody can see where you went.