Illinois Route 16 is a state highway located in central Illinois. It runs approximately 90 miles from the city of Chester in the south to Mattoon in the north. The route primarily serves as a connector between various towns and rural areas, facilitating local travel and commerce. The highway passes through several communities, including Carlinville and Taylorville. It intersects with other major roads, enhancing accessibility for residents and visitors. Illinois Route 16 is maintained by the Illinois Department of Transportation, ensuring safe and efficient travel for all users.