A crash on the A34 Western Bypass Road has partially blocked the southbound carriageway between the Peartree and Botley interchanges near Botley on Oxford’s ring road.
Traffic disruption is affecting drivers in the area.
Congestion has extended towards the Wendlebury Interchange, with substantial queues forming on the approach to the incident.
Between the Kidlington Junction and Botley Interchange, delays are currently around 20 minutes, while average traffic speed stands at 10mph.
Conditions are expected to become more congested as traffic volumes increase.
The obstruction has also resulted in lengthy queues between Islip and Botley on the southbound route.
A lane remains blocked, and delays are presently estimated at approximately 25 minutes.
An accompanying image was credited to NQ.