Police investigating a firearms incident in Tokoroa are extending their appeal for information.

Police were called about 10.40am Sunday, November 10 to State Highway 1, near Atiamuri, after a report of a firearm being presented at a road worker from a vehicle.

Detective Constable Scott McLeod said the vehicle, which is now believed to be a RTKFTP sign-written double cab Toyota Hilux, with a red cab and a black deck on the sides and rear, then left the scene.

“There were no shots fired or any injuries, however the worker was understandably shaken by the incident," Detective Constable McLeod said.

“Enquiries into the full circumstances of what occurred are ongoing and we are appealing for any information, including anyone who witnessed the incident.

"We'd also like to hear from anyone who might have dashcam footage of this incident or potentially of the vehicle involved."

To report information please update Police online or call 105.

Please use the reference number 241110/1812.

Information can also be provided anonymously via Crime Stoppers on 0800 555 111.