Maintains state highway systems, including filling roadway joints and cracks and patching potholes; flagging and directing traffic; setting up signs, cones, arrow boards, and other traffic control devices; loading, unloading, spreading, and hauling materials and supplies; cutting and clearing brush; removing trash and debris from roadsides; cleaning and clearing ditches. Operates vehicles to transport employees, equipment, machinery and/or materials, or to warn oncoming traffic, plow snow and spread ice control materials; mows right of way using tractor mower and hand tools; operates auger, trencher, backhoe, forklift, and various trucks (e.g., dump, aerial boom, bucket, and platform).