How does my gps know what road I’m on if I’m driving under an overpass or driving parallel underneath another road?
In: Technology
A car GPS assumes that you follow roads so when you drive in a location where roads intersect in multiple levels is just keep you on the same road.
If you would start the GPS at a location like that is would have trouble in determining where you are might pick the incorrect road. It would jump back to the correct when they diverge enough.
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