Hi Gerd,

I'm satisfied with current solution. I think the problem arise from micro-mapping, where many linear features get area shape. Since we usually have both approaches, line and area, we needn't to converted area to lines.

Some idea how to check area: find any nodes, where routable ways connect to area. If there exist ways connecting these nodes inside area, then area is not needed for routing.

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Best regards,
Andrzej
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