The incident happened near the roundabout leading Victoria Road, Forches Avenue and Constitution Hill.
Traffic is slowly moving at a roundabout in Barnstaple after a collision this evening.
The incident happened at the roundabout leading to Victoria Road, Gould Road, Forches Avenue and Constitution Hill at 5.47pm.
Police are at the scene, and traffic is expected to be slow while a clear-up operation is carried out.
A force spokesman said Victoria Road is partially blocked, and traffic is busy but moving.