Airport Road, Commons Boulevard
- Southern Terminus:
- DE 273 in New Castle
- Northern Terminus:
- Basin Road (DE 141) in New Castle
- 3.11 miles
- New Castle
DE 37 is a short route running diagonally from DE 273 to Basin Road (DE 141). For most of its length, it runs along the northern perimeter of Wilmington Airport. It is known as Airport Road until about half a mile south of its northern terminus, where Airport Road splits off to become a local street. The section north of this point is known as Commons Boulevard.