Motorists are reporting delays of up to an hour after the M6 was closed in both directions due to a police incident.
The M6 was closed in both directions between J33 and J34, but all lanes have now reopened.
All traffic was being held between Lancaster and Lancaster South.
The incident was reported to police shortly after 1.30pm.
Only the southbound side was closed originally, but Lancashire Police then closed the northbound carriageway.
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