 DE 20 turns southeast to form a concurrency with US 113 on four @-@ lane divided Dupont Boulevard , entering Millsboro . The road passes through commercial areas , intersecting DE 24 / DE 30 . The two routes run past more businesses and a few homes before leaving Millsboro . DE 20 splits from US 113 by turning southeast on two @-@ lane undivided Dagsboro Road . The road continues through wooded areas with some homes before heading into farmland and crossing Norfolk Southern 's Indian River Secondary railroad line . The route enters Dagsboro and becomes Main Street , passing homes and a few businesses . DE 20 comes to an intersection with DE 26 , at which point that route becomes concurrent with DE 20 . The two routes curve east and leave town on Vines Creek Road . 
