Five people have previously been charged with murder in connection with the incident.
The 20-year-old was arrested this morning (Monday 7th March) and is currently in police custody.
The arrest is in connection with a collision which happened at around 1.30 am on Friday 11 February on the A46 just before the Six Hills junction and involved a silver Skoda Fabia which left the carriageway.
Two men, Saqib Hussain, 21, and Mohammed Hashim Ijazuddin, 21, both from Banbury, Oxfordshire, were pronounced dead at the scene.
Police enquiries found that two other cars were reported to have been travelling in the area at the same time of the collision.
Three women and two men have previously been charged with murder in connection with the incident and have all since been remanded into custody.
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