Emergency services attend a collision at the intersection of the northern end of Sunderland St and SH8, above the Clyde dam. Photo: Pam Jones
The collision occured about 1.50pm today and about six police, ambulance and fire units attended.
Traffic is closed in all directions but a police spokesman said one lane would be opened as soon as tow trucks arrived.
A police spokesman said four people were in the two vehicles. One had moderate injuries and three had "minor or nil injury".
No other details are available at this stage.
