A woman has been taken to hospital following a collision on the Old Hakin Road, Haverfordwest.
Police said a vehicle crashed off the road and into a ditch 6-8 feet below.
A Dyfed-Powys Police spokesperson said: "The road was closed from Tiers Cross to Haverfordwest on the Old Hakin Road.
"We were called to a collision on Old Hakin Road shortly before 9.15am.
"One vehicle had crashed off the road and into a ditch 6-8ft below. The road was closed at Tiers Cross.
"One woman was taken to hospital by ambulance."
The road reopened shortly before 11.45am.
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