The freight chaos that has plagued Northland is often replicated overseas, according to exporters.
Police teams are stopping trucks that are going south from Whangārei to make sure they're not over the weight limits.
Photo: RNZ / Simon Rogers
This brings huge costs to New Zealand producers, and some horticultural exports have been ruined by delay.
The problem in New Zealand stemmed from the diversion of a ship from the crowded Auckland port to Whangārei, which required a convoy of trucks to get containers back south.
This caused delay and expense.
But exporters said the same thing often happened overseas.