A car crash closed parts of Stonecot Hiil at the junction of Sutton Common Road.
Emergency vehicles are at the scene following the smash with the outside lanes blocked in both directions.
Officers were called at 1.53pm by London Ambulance Service to a report of a "vehicle collision" by the Woodstock pub.
A spokesman for Sutton police said: "Officers arrived to find a blue Ford Focus had collided with the central reservation.
"Road restrictions were put in place"
Nobody was seriously injured in the crash and no arrests.
A24 Stonecot Hill at Sutton Common Road - The outside lane in both directions blocked due to a collision. pic.twitter.com/fMpQrGFtHV
— TfL Traffic News (@TfLTrafficNews) December 8, 2014
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