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Impassable exit onto the expressway

A strange thing. It is impossible to make Kurviger drive this way:

Here’s what he does:

I have no idea what is keeping Kurviger from navigating this way! I have noticed that the OSM page navigation behaves similarly when selecting the GraphHopper engine – with OSRM that’s OK.

Maybe someone would kindly look at it. Please. Perhaps this is a map error, or maybe some oversight on the part of Kurviger (which I doubt).

For me it seems to be a problem of the map data to exit the roundabout at the correct position.

But I don’t know to make a change of data. Perhaps our OSM experts can change it.

My first impression was the same, but I think the roundabout exits are correct:


What’s more. If you set a START point after this exit, Kurviger still does not want to go this way…


But thank you for your interest in the problem!

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The issue might be on the entry to the motorway.
IMO there is an incomplete turn restriction (“only straight on” but missing the details.)

I would delete this incomplete relation, which is unnecessary anyway:

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I agree, there is a bug in relation 8621615: The “to” way has no connection to the “via” node:

And - as @linux-user already mentioned - that restriction relation is not necessary, because the “to” way is a oneway.

So I removed that relation in OSM, that might help …

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Thanks a lot! I would never have figured it out. I’m about to delete this relation and we’ll see what happens in two days…

Avoiding expressways with Kurviger, I would not have noticed this error if it were not for the need to use a gas station :smiley:

Edit: thanks @rumbrummer!

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Your route link above now leads to a useful route - so probably the buggy turn restriction caused the deviation.

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Sehr geehrte Herren,
in fact, it is already OK! Thank you very much for helping. It is very encouraging that Forum users are so helpful and selflessly kind.
Vielen Dank! :slight_smile:

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