The crash involved a silver Audi A4 and an HGV. The female driver of the Audi had been struck in the collision.
Police say a 54 year old female was located and given first aid, but died at the scene. Her next of kin have been informed and are being supported by a Family Liaison Officer.
Officers have thanked the public for their patience whilst the road was closed.
Any witnesses are asked to contact the Police on 101 quoting Log 746 11/09/2018.
The 33 year old remains in police custody for questioning.
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