Wisconsin State Route 24 is a highway runing in s a angle from Milwaukee to the Waukesha/Milwaukee County Line at Hales Corners. WI St Rt 24 passes through the following towns in Milwaukee County. Hales Corners Greenfield Milwaukee WI St Rt 24 is not multi-plexed in Milwaukee County. WI St Rt 24 intersects the following highways in Milwaukee County. U.S. Rt. 45, at Hales Corners. Wisconsin State Route 100, at Hales Corners. Interstate 43, at Greenfield. Interstate 894, at Greenfield. Wisconsin State Route 241, at Milwaukee.