, DE 9 turns northeast onto East 6th Street, crossing a marshy creek and widening into a four-lane divided highway. The route curves north and becomes Wilmington Road, passing through commercial areas. The road crosses the Norfolk Southern New Castle Secondary again at-grade and runs through suburban residential neighborhoods and businesses, leaving New Castle. DE 9 becomes New Castle Avenue and passes to the west of Veterans Memorial Park before it comes to an interchange with Interstate 295 (I-295)/US 40 a short distance to the west of the Delaware Memorial Bridge over the Delaware River. After the Rogers Road intersection, DE 9 becomes a four-lane undivided road that continues through industrial and residential areas, crossing under I-495. The road briefly becoming a divided highway again and intersects the southern terminus of DE 9A, which heads east to provide access to I-495 and the Port of Wilmington.