4 ms·
The highway could also broadcast the speed limit, via beacons. That would be more reliable than GPS, but GPS doesn't track your location. A GPS receiver is just
by 7e 3y ago
The highway could also broadcast the speed limit, via beacons. That would be more reliable than GPS, but GPS doesn't track your location. A GPS receiver is just that--it receives, never broadcasts. It needn't record anything in order to enforce the speed limit.