Daniel,

> To be able to use the route for further processing, it would be also nice, if 
> OSRM would return a list of original network link ID's instead of a more or 
> less simplified route geometry and a few via points.

Yes, we throw these IDs away. As a workaround you can adapt the LUA based 
profile to use the way ID instead of the road name and take it from there.

> This is not an issue for distance matrices, where you only need to total 
> distance or cost, but too much generalized routes was the reason, why I 
> couldn't make use of OSRM once. And especially if the OSRM routing result 
> could be later used again in PostgreSQL/PostGIS, having the original road 
> network ID's would be very helpful.

You can control the level of generalization with the zoom level parameter.

> So far I couldn't find anything else than this JSON output format: 
> https://github.com/DennisOSRM/Project-OSRM/wiki/Output-json

Yep, it is not in there.

—Dennis

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