Marten Transport, Ltd. is a temperature-sensitive truckload carrier. The Company specializes in transporting and distributing food and other consumer packaged goods that require a temperature-controlled or insulated environment. It operates throughout the United States and in parts of Canada and Mexico. The Company operates in two segments: Truckload and Logistics. During the year ended December 31, 2011, approximately 81% of its truckload revenue resulted from hauling temperature-sensitive products and 19% from hauling dry freight. Its long-haul traffic lanes are between the Midwest and the West Coast, Southwest, Southeast, and the East Coast, as well as from California to the Pacific Northwest. It provides regional truckload carrier services in the Southeast, West Coast, Midwest, South Central and Northeast regions.