Major delays after crash on Edinburgh City Bypass
A police spokeswoman said that at least two cars collided on the A720 eastbound, close to Baberton junction, at about 4pm.
Fire and ambulance crews were called to the scene.
Traffic Scotland is reporting that the incident is causing "long delays" in the area, with queues back to the Hermiston Gait junction and along the M8, and up to Gogar. Queues westbound from Baberton are as far back as Sheriffhall.
The police spokeswoman acknowledged that the collision has resulted in added disruption during the usual evening rush hour.
Details of injuries from the collision are unknown at this stage.