Milwaukee County Highway ZZ is a east-west highway south of Milwaukee. It runs near the international airport on College Ave.
A junction marker on SB WI St Rt 38. WB MCH ZZ west of WI St Rt 38. A WB guide marker. A BGS on NB I-41/U.S. Rt. 41; WB I-94. A BGS on NB I-41/U.S. Rt. 41; WB I-94. A guide marker on NB WI St Rt 241. A guide marker for MCH ZZ.
