Police are dealing with a crash involving a motorbike on one of the busiest stretches of the A595.
The accident has happened at Thornhill near Egremont,at the B5345 Morrass Road.
It was reported about 6.40am.
It means the road is partially blocked in both directions and will add time to journeys to Sellafield.
Police have not released any details of the incident.
* Road conditions were expected to return to normal by about 9am.
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