Where does Google Maps get its traffic data from?
What gives you the most up to date road map when you’re travelling, your car sat nav or Google Maps? The problem with the car sat nav is if you don’t keep the software up to date the map information can be wrong, whereas Google Maps is live using Android phone data. Just under 50% of all phones use the Google Android OS (operating system) in the UK. When an Android phone is turned on their Google Maps app with GPS location is enabled. Google already know what average road speeds should be from historical data and sensors on the roads, so when that changes with crowd sourced live streaming...