Police investigating a serious crash are seeking dashcam footage from the public.

The single-car crash happened on Tauranga Road, near Matamata, at 7,15am on Thursday, and resulted in two people with serious injuries.

"Police are working to identify who was driving the car, and confirm reports to Police that the car - a silver four-door saloon - was being driven in a dangerous manner before the crash," says a police spokesperson.

"Police are looking for dash-cam footage from vehicles travelling between Matamata and Te Poi on Tauranga Road, between 7am and 7.20am, Thursday, May 12.

"If you can help, please get in touch with Police via 105 and quote file number 220512/4114."