ORIGINAL STORY 2:35 p.m.: CHATHAM, Va. â Traffic is backed up and moving slowly on U.S. Highway 29 southbound in Tightsqueeze following an accident. A collision between a medical transport minivan and a silver Volkswagen sedan occurred around 2:35 p.m. in the roadway in front of the Chatham McDonaldâs. Unknown injuries. Chatham Rescue Squad is evaluating at least one in an ambulance. Chatham Police, Blairs Fire Department, Virginia State Police and Pittsylvania County Public Safety are on scene. The vehicles were towed away from the road.Â