Nissan Patrol 4x4 (Africa)

Wednesday morning i am leaving for 5 days of leisure at Sodwana with the fam, I did the Hluhluwe road last year and it has a million stops and speedbumps as well as being almost 80km longer.
Now my question, Does anybody know if the dirt road from Jozini straight to Sodwana/Kosi road is any better? And If i can be safely travelled on at 80km/h?

Thanks.