This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.MEMPHIS, Tenn. — Memphis Police are on the scene of an accident involving an 18-wheeler. The incident happened at the intersection of Hickory Hill and Winchester. Police have not released any official information about the accident at this time. Drivers are encouraged to avoid the area as police help clear the scene.