At 9:45am Baltimore Co. Fire Dispatch alerted units for a motor vehicle accident at Hanover Pike and Weywood Drive. As dispatch received more calls, a full rescue assignment was alerted. Rescue Squad 414 found a overturned tractor trailer blocking all lanes and one vehicle into a telephone pole. After assessing the scene, crews found on occupant trapped in both vehicles. Both patients were extricated within 15 minutes. A Haz Mat box was requested for diesel fuel leaking from the tractor trailer.