Traffic congestion has eased around Dredgeman Hill on the way into Haverfordwest following an earlier crash.
The A4076 between Milford Haven and Haverfordwest had been blocked for a time following the crash which involved a motor cycle.
A witness told the Western Telegraph a motorcyclist was seen laying in the road.
There did not appear to have been any other vehicles involved.
Police and ambulance were on the scene.
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