Illustration: The Verge
Maybe the worst part of going through a tunnel when you’re relying on directions via GPS is the chaos as you prepare to exit the tunnel. Sometimes GPS will remember you’re on a road traveling through a tunnel and maintain the directions it was giving you when you went in, and sometimes it will go utterly stupid and remind you to proceed to the route as it shows your car happily driving through a river, a trainyard, or a series of residential homes.
But Google Maps is about to get better at showing directions inside tunnels. A new feature spotted by SmartDroid allows the Android version of the app to use Bluetooth beacons to track your location in areas where GPS signals typically can’t reach.
These beacons transmit Bluetooth signals that…