Gardaí say no one was injured in the incident.
Motorists on the Athlone bypass are advised to be careful, after a car went up in flames.
One car was involved in the incident after catching fire between exit 9 and 10 on the N6 westbound.
Gardaí say the fire has been put out and no injuries are reported.
The car is currently on the hard shoulder, waiting to be towed away, and the road is open.