Persistent Navigation Error SH1 NZ

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/persistent-navigation-error-sh1-nz/
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A new highway was opened around 18 months ago, called Transmission Gully. It is the main route (SH1) out of Wellington, NZ. ABRP always routes me around the section from around Tawa to Pauautahanui and gets completely lost when instead I take the correct SH1. I assume this is a Mapbox problem. Please can they be informed.

The issue can be seen by asking for a route in NZ from Wellington to Paraparaumu. The attached screenshot shows the route plotted, versus SH 1 where it should go.

https://abetterrouteplanner.com/?plan_uuid=69cb8adf-e2e4-4c26-bce2-95a9b21eb776

Thanks.