construction workers operate a large paving machine that spreads fresh black asphalt over the old cracked road surface. Steam rises from the hot new asphalt as it covers the worn pavement below. The heavy roller machine follows behind, pressing down the new surface to make it smooth and even. Orange traffic cones guide cars around the work zone while other workers sweep debris from the freshly paved area. A supervisor points toward the completed section that shows the clear difference between old and new pavement. the process of putting a new surface on the road