Waze should seamlessly go between offline and online when cell data weakens or stops navigating. It should be perfectly synchronized.
We should be completely seamless, allowing off-line and online to function without the user seeing any difference. This would allow 100% perfect navigation any time anywhere without having to worry about missing a turn being sent on a hiatus and keep you always going in the right direction.. this feature is absolutely necessary on long trips and places where there’s no cell reception so that you always have the route running and never have to worry about a pause because off-line mode has been initiated and you just continue on your way without seeing any difference in your screen this seems like the ultimate GPS without having GPS failure which happens too. And you could always have your hands on the wheel not be trying to figure out anything on the screen and just drive this makes total sense I don’t see that it is available and it’s just an algorithm, so just do it.
John
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Itay Pinhas commented
Feature request: Automatic offline fallback for active navigation
When a user starts a route while connected to the internet, the app should automatically cache enough information to continue that active trip if mobile data is lost.
The phone would still have GPS, so it could continue following the already-calculated route locally without needing live traffic or server-side routing.
Ideally, the app could also cache a small road graph around the route. If the driver misses a turn while offline, a lightweight local routing algorithm such as A* could find a path back to the original route rather than requiring a completely new online route.
When internet connectivity returns, normal live routing and traffic updates could resume.
This would make navigation much more reliable in areas with temporary cellular dead zones without requiring users to remember to manually download offline maps beforehand.