A slip has partly blocked State Highway 3 south of Awakau Rd near Awakino.
The slip happened over the weekend and Stop/Go traffic management is expected to be in place at the site until at least Friday, May 17.
New Zealand Transport Agency Waka Kotahi reported the slip on its social media channels on Sunday.
“The southbound lane is partly blocked due to a slip south of the Awakau Rd intersection. Please take extra care,” the alert said.
An update posted to the Waitomo District Council website’s Roading Network Updates page said travellers should expect delays of about 10-15 minutes.