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Weird driving directions / path generated in certain areas #6069

@aarzhou

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@aarzhou

I try to use OSRM to generate driving directions but it gives a weird result. I have checked the OSM data and I didn't see anything special there.

Can someone please help me find out whether this is an OSRM bug, or it is just a map issue that I can solve it by updating the OSM data.

I got the problem using version 5.25 built from source. But same problem can be directly reproduced on OSM website too. Here is an example:

osm1

I don't know why it does not just go straight and make a left turn at the end. The expected driving path can be generated using graphhopper though:

osm2

Thanks a lot in advance!

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