Looks like roads were deleted because of fixme tags. Currently reverting along with other changesets by this user.

Please don't add fake features.

Features with a fixme shouldn't simply be deleted.

Why were the roads deleted?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/120366197

Please don't make fake edits. osm.wiki/Vandalism

Please stop tagging everything as a park.osm.wiki/Vandalism

Exit separation*

It should merge at the bridge since that's where the ways connect irl.
The lane tags and associated tags solve all issues you've brought up here such as the fact that the on ramp lane and off ramp lane are continuous.
Having the autonomous software think that the exit starts on the bridge is definitely not the right approach.

A 6 lane highway doesn't have 6 ways to "match reality".
Having used autonomous software for the past 8 months I can say with certainty that less ways is almost always better where no physical separation exists.
Also there is:
osm.wiki/Key:lanes
osm.wiki/Key:turn

Please check available imagery before adding roads. Some of these roads you added go directly over houses.

OSM is for real features only. Please don't add fictional features.
Reverted

Why?

Area and way tags should not be on the same feature

Why were the roads deleted?

Please click on the right sidebar and use actual imagery to align roads.

Please trace to available imagery

Why the fake roads?

What source do you have for this geometry? osm.org/way/387957174

Make sure you're using the correct tags osm.org/way/1054357319

osm.wiki/Key:route#Water_routes