"Aw.
"You don't see that every day, aye?"
As cars on both sides stop, the officer turns towards the vehicle and smiles, before giving an appreciative thumbs up.
The video was taken by local woman Marylou Bruys, who has been a driving instructor in the Eastern Bay of Plenty for more than 13 years.
Bruys, who was taking a lesson at the time, later shared the video online.
"This is so cute. I have never seen this in all my years as a driving instructor.
"Just now at The Strand, in town, a mother duck and her ducklings helped crossing the road - at a crossing, no less - by a member of the public and a policeman.
"Pure gold.''