Hi, I noticed your tagging around the Naval Medical Center Portsmouth, always good to have folks improving the map.

You mapped a road passing under an elevated walkway as layer=-1. Negative layer values are only appropriate for features below regular ground level.

a ground level road that crosses under a building part should be tagged either covered:yes or the building part should be tagged as level 1(or higher)
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            Published using OSMCha: https://osmcha.org/changesets/133287027
            