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Administrative boundaries don't cut-off at coastlines
Open, Needs TriagePublic

Description

On the maps style, whilst level 0 (country) boundaries cut-off once they reach the coastline, lower level administrative boundaries wrap around over the coastline:

image.png (306×379 px, 146 KB)

Creating a black outline.
This is also occuring on islands:
image.png (149×124 px, 20 KB)

Instead, they should cut-off and not wrap around the coastline.

Possible solutions:

  • Use a set of administrative boundaries with the symmetrical difference of the coastline and polyline boundaries rendered. Admin boundaries don't change that much so this could be seperate from updates.
  • Just using a smaller line-width so the wrapping around isn't noticeable