County Highway 21, also known as Lexington LeRoy Road, was resurfaced from the Mackinaw River Bridge to Lexington East Road, which is also County Highway 8, in 2012. The improvements include: resurfacing the existing pavement, reconstructing the intersection at County Highway 8, and adjusting the existing guardrail. New raised reflective pavement markers were installed for improved safety. This road has a Class III, 80,000 pound rating.