Hi!
What does the rarely used highway=historic mean on these two ways?
way/506142967
way/506142970
Maybe you want to express that the ways are no longer usable?
Please check osm.wiki/Lifecycle_prefix for better tags.
Or maybe it is a historic=way ?

Yes, since the sidewalk is not mapped as a separate way I think you just have to add the nodes as you suggested.

OK, thanks, Will have a look at it later.

I think I also did that in the past (but noticed it before uploading), but now I am no longer able to reproduce the problem in JOSM. If you can, please open a ticket for JOSM.

OK, thanks!

Hi!
Please watch out for typo highway=residental (missing 2nd i)
I fixed it here:
changeset/52946988

Hi!
The tag highway=historic is rarely used. Please check osm.wiki/Lifecycle_prefix
for common tagging.

Hi!
Please review these ways tagged highway=escape. I think they are all hw=track + tracktype=grade1
One is here:
way/532543515
Why did you use hw=escape?
See also highway=escape
Why is it not connected to the ways in the west?

Hi!
I changed the unusual highway=driveway to highway=service + service=driveway, see
changeset/52946622

Hi!
I've changed highway=bridge here:
changeset/52946580

Hi!
Please review typo addr:place="<different>"
on more than 10000 objects near this area, all created by you.

Taginfo says that service=test_track is used 27 times, so I think hw=service + service=test_track is okay.

oops, sorry, meant historic=highway

Hi!
Please review unusual tag highway=historical on way/462621213 and way/441835222
Sat images don't show a highway, so they either existed a long time ago or maybe never?
In the first case I suggest historical=highway or highway=razed, in the 2nd case I think the ways should be removed.

Or maybe it is an amenity=parking?

.. at least in the northern part ;-)
Maybe you also know what this is?
way/335875843

Hi!
Please review position of this highway=secondary:
way/336091538
Current Bing shows a road next to this roughly drawn way.

I've changed it back to path:
changeset/52919376

Ach ja, weißt Du evtl. was dies hier ist?
way/131730185
Evtl. road_marking=dash?

Bitte mal prüfen:
Es gibt zwei Relationen name=Travemünder Landstraße, ich denke diese kann gelöscht werden:
relation/1793028
Allerdings sind nicht alle Member davon in relation/1658339