U.S. Federal Route 63 is a north-south highway in Central Black Hawk County. This runs through the center part of Waterloo. U.S. Rt. 63 passes through the following towns in Black Hawk County. Hudson Waterloo
U.S. Rt. 63 is multi-plexed in Black Hawk County. U.S. Rt. 218, at Waterloo. U.S. Rt. 63 intersects the following highways in Black Hawk County. Iowa State Route 175, near Voorhies. Iowa State Route 58, at Hudson. U.S. Rt. 20, at Waterloo.