Emergency services, including Devon and Somerset Fire and Rescue Service, are currently responding to a 'serious road traffic collision' on the A303 near Buckland St Mary, Chard. We are currently dealing with a serious road traffic collision on the A303 near Buckland St Mary. Traffic is likely to be extremely heavy in and around the area, please consider taking a different route. AA Traffic News has reported that the road is blocked, and long delays remain along the A303 both ways from Newtown Road to Howley turn off. A spokesperson for the South Western Ambulance Service NHS Trust has been contacted for further information.