US 9 begins at an intersection with US 13 in the commercial northern part of the town of Laurel, where the road continues west past the terminus as Georgetown Road. From the western terminus, the route heads to the northeast on two-lane undivided County Seat Highway. The road leaves Laurel and runs through a mix of farmland and woodland with some homes. The route intersects DE 20 in the community of Hardscrabble, at which point it briefly becomes a divided highway. Past this intersection, US 9 becomes undivided again and continues through rural land, crossing Tyndall Branch and passing to the southeast of the University of Delaware's Carvel Research and Education Center and Sussex Technical High School. Farther northeast, the road reaches the town of Georgetown and intersects US 113/DE 404 Truck in a commercial area. At this point, US 9 Truck heads south along US 113/DE 404 Truck to bypass Georgetown to the south. Following US 113, the route continues northeast on West Market Street through residential areas. US 9 enters downtown Georgetown and intersects DE 18/DE 404 at a traffic circle called The Circle, where the Sussex County Courthouse is located.