Location: Sussex Hwy and State St, Delmar Reassurance shield after the light as US-13 enters Delaware. US-13 is the longest and arguably most important highway in the First State, heading all the way up to Wilmington. Location: Sussex Hwy and Dorothy Rd, Sussex Cty A few miles later, we’ll approach DE 30. Location: Sussex Hwy … Continue reading U.S. Route 13, DE 54/MD-54/MD State Line to DE 30