The following highways are numbered 16A:

Canada Alberta Highway 16A Manitoba Highway 16A Prince Edward Island Route 16A Saskatchewan Highway 16A

Greece EO16a road, a branch of the EO16 from Agios Prodromos to Polygyros

United States U.S. Route 16A County Road 16A (Clay County, Florida) County Road 16A (St. Johns County, Florida) Nebraska Spur 16A New Hampshire Route 16A New York State Route 16A (former) Secondary State Highway 16A (Washington)