Delaware Route 30 (DE 30) is a state highway in Sussex County, Delaware. The route runs from an intersection with Bi-State Boulevard a short distance west of U.S. Route 13 (US 13) between Laurel and Delmar to DE 1 Business (DE 1 Bus.) southeast of Milford in the area of Lincoln and Cedar Creek. The road runs east to Gumboro, where it turns north on the Millsboro Highway to Millsboro. Along this road, DE 30 shares concurrencies with DE 26, DE 54, and DE 24.