The road remains closed this morning for technical examinations.
Garda are appealing for witnesses to a serious collision between a motorbike and a car in Offaly.
A motorcyclist in his 20s was hurt in the incident on the Cloghan to Shannonbridge road at around 3.45 yesterday afternoon.
He was airlifted to Galway University Hospital, where he is in a serious condition.
The driver of the car, a woman in her 50s, wasn't hurt.
The road remains closed this morning for a technical examination.
Gardaí are asking anyone who may camera or dashcam footage to contact Birr Garda Station.
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