sentences:  After the boundary with the airport, Airport Road splits to the northwest and DE 37 becomes Commons Boulevard, and it passes through the New Castle Corporate Commons, a business park located adjacent to the Wilmington Airport.The route continues northeast and intersects Spruance Drive, which is the entrance road to the Delaware Air National Guard's New Castle Air National Guard Base to the east, before it comes to its terminus at US 202/DE 141.DE 37 has an annual average daily traffic count ranging from a high of 21,344 vehicles at the US 202/DE 141 intersection to a low of 8,264 vehicles at the DE 58 intersection.