A second day of traffic congestion north of Auckland is plaguing the exodus of holidaymakers leaving the city for summer.
Motorists are down to a crawl at the Johnstone's Hill Tunnel near Pūhoi on State Highway 1 for the second consecutive day, according to reports on social media.
![Traffic backed up at the Johnstone's Hill Tunnel south of Pūhoi for the second consecutive day as holidaymakers head north for the summer. Photo / Elizabeth Balogh/Facebook](https://www.nzherald.co.nz/resizer/v2/FQNIJWHWJ3USJZFJNE5JLAPTCU.jpg?auth=e907e2ea9d5f4ab89000b14daaaceee675fc0ad9f22011f321bb75b0091221ef&width=16&height=15&quality=70&smart=true)
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• Auckland traffic: 'chockablock' gridlock with holidaymakers at standstill on SH1
• Christmas holiday period: New Zealand's worst traffic areas and times identified
Yesterday the NZ Transport Agency recommended motorists avoid the backlog and re-route to State Highway 16, which rejoins the main highway at Wellsford.