Out of sync on North western motorway

[ispyisail]

out of sync on North western motorway. when heading for te atatu turn of always tells me to get off at rosebank road then when I get to the on ramp of Roseland road I am on the motorway and it tells me to do a u turn onto rosebank road

https://www.waze.com/en-GB/editor/?env=row&lon=174.77847&lat=-36.85389&zoom=2&mapUpdateRequest=7067458

I can find nothing wrong?

road works?

Time of the day/heavy traffic?