Police and emergency services were called to Clay Wells Road at Bray just after 10am on Saturday following a two car crash.
The drivers of the vehicles, a 45-year-old Robe woman and a 36-year-old man from Germany, were taken by ambulance to hospital.
Traffic diversions were in place but roads have since reopened.
Investigations into the crash are ongoing and police said they would like to thank the members of the public who assisted the injured at the scene.