Delaware Route 36 (DE 36) is a state highway in Sussex County, Delaware. It runs in a generally northeast–southwest direction from DE 404 in Scotts Corner east to Slaughter Beach, a town along the Delaware Bay. The road runs through the northern portion of Sussex County, passing through rural areas along with Greenwood and Milford. The route intersects DE 16 and U.S. Route 13 (US 13) in Greenwood and US 113, DE 1 Business, and DE 1 in Milford. DE 36 was built as a state highway in stages during the 1920s and 1930s. The road was designated by 1938 from DE 16 east of Greenwood east to Fort Saulsbury and was extended west to DE 404 by 1994.

U.S. Route 13 (US 13) is a U.S. highway running from Fayetteville, North Carolina, north to Morrisville, Pennsylvania. In the U.S. state of Delaware, the route runs for 103.33 mi (166.29 km). It traverses the entire north–south length of the state from the Maryland state line in Delmar, Sussex County, north to the Pennsylvania state line in Claymont, New Castle County. US 13 connects many important cities and towns in Delaware, including Seaford, Dover, and Wilmington. The entire length of US 13 in Delaware is a multilane divided highway with the exceptions of the segment through Wilmington and parts of the route in Claymont. Between the Maryland state line and Dover, US 13 serves as one of the main north–south routes across the Delmarva Peninsula. From Dover north to Tybouts Corner, the route is followed by the controlled-access Delaware Route 1 (DE 1) toll road, which crosses the route multiple times and has multiple interchanges with it. US 13 bypasses downtown Wilmington to the east before it heads northeast of the city parallel to Interstate 495 (I-495) and the Delaware River to Claymont. US 13 is the longest numbered highway in the state of Delaware.