The incident occurred between Tyrellspass and Kilbeggan at about 2.30 this afternoon.
Emergency services are currently dealing with a crash in Westmeath.
The collision - involving a motorbike - occurred on the M6 between Tyrellspass and Kilbeggan at about 2.30 this afternoon.
One injury has been reported by gardaí.
One lane of traffic is currently closed but expected to be reopened in the next five minutes.
UPDATE @ 4.50:
The road has now reopened.
One person was taken to Portiuncula Hospital in Ballinasloe as a precaution.
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