 Past the bridge , the road passes to the east of a United States Coast Guard station and continues north through more of the state park between the Rehoboth Bay to the west and the Atlantic Ocean to the east . The route travels near the Indian River Life Saving Service Station and two fire control towers from World War II before it leaves Delaware Seashore State Park and enters Dewey Beach . At this point , DE 1 passes homes prior to running through business areas . The route comes to an intersection with the southern terminus of DE 1A , which heads north towards Rehoboth Beach . At this intersection , DE 1 turns northwest away from the Atlantic Ocean and passes through residential areas with some commercial development . The road leaves Dewey Beach and continues to a right @-@ in / right @-@ out interchange with DE 1B , which heads north into Rehoboth Beach . Immediately after , the route crosses over the Lewes and Rehoboth Canal on a high @-@ level , twin span crossing and enters commercial areas . DE 1 intersects the northern terminus of DE 1A access road to Rehoboth Beach , at which point it widens to six lanes . The road passes more businesses and runs between two sections of the Tanger Outlets Rehoboth Beach outlet mall . Farther northwest , the route comes to an intersection with the eastern terminus of DE 24 and the southern terminus of DE 1D in Midway . DE 1 passes to the northeast of another part of the Tanger Outlets as it is lined with more businesses . In Carpenters Corner , the route intersects US 9 , which travels northeast to provide access to Lewes and the Cape May @-@ Lewes Ferry across the Delaware Bay . At this point , DE 1 becomes concurrent with US 9 , and the two routes run through woods before curving west past businesses . In Five Points , US 9 splits from DE 1 by heading west concurrent with DE 404 , with access to the northern termini of DE 23 and DE 1D , while US 9 Bus. heads northeast towards Lewes . Past Five Points , DE 1 narrows back to four lanes and bypasses Nassau to the southwest , curving northwest to pass over a Delaware Coast Line Railroad line on a bridge . 
