Emergency services are at the scene of a motor vehicle crash at the intersection of State Highway 2 and Athenree Rd.
Police received a report of a vehicle collision involving two cars at around 1.40 pm.
A Fire and Emergency spokesman said four people were injured and two people were trapped but cut free.
Another two people involved in the crash suffered minor injuries.
The section of SH2 has since been reopened but motorists are advised of delays.