A stop-and-go system is in place on the N24 at Derrygrath, Clonmel following a collision this morning.
The collision involved a car and a motorcycle. It is understood to have occured shortly before 8.30am near the Surehaul premises.
Fire and ambulance services have been notified.
Gardaí say the section of road between Clonmel and Cahir remains partially closed and a stop-and-go system has been put in place while they deal with the incident.