Thread: iGO route calculation logic

Well then you did not test it the right way.
As I told you, set it to 50 km/h and the routes won't use highways, set it to 200 km/h and it won't use city streets. Also the time of arrival is mainly calculated depending on that setting.

Edit: Proof
[Only registered and activated users can see links. ]
Both calculated at the same time at the same location for same destination.

Conclusion: The faster the car/higher the tempo limit in your country (interpretation of 'maximum speed' in your vehicle profile) the slower the routes iGO calculates will be. Takes the 9 km detour to be able to drive fast while being slower at all. This doesn't make sense.