Viamichelin navigation problems

[damian666]

Does anyone else have problems with viamichelin on the rz1710 bundle telling them to take the next exit while on either a motorway or dual carriageway and it then directing you straight back onto the road by sending you back up the slip road, i have had this problem quite a lot over the last few days.

[elan2s]

It happens with other vM on other hardware as well, and seems to come typically from one of two causes. Firstly the shortest route may be up the slip road and back down (especially if the junction is on a left bend) so it favours that route or it can be due to the margin of error on the GPS positioning thinking you are not quite where you actually and therefore misdirecting you.

Another possible cause is that it is telling you to "turn left" (ie follow the curve in the road) which is different to "take the exit on the left". I am not sure how vM determines the difference between "turn left" and "turn slightly left" as there are several cases I have found where "slightly left" is actually a 90 degree turn onto a different road.

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