Marathon County Planning staffs the Metropolitan Planning Organization (MPO). As staff to the MPO, the department works with other local, state, and federal units of government to study and address transportation issues within the Wausau Metropolitan Area.

Subjects under Transportation & Metropolitan Planning Organization (MPO) are:

• About the Wausau MPO
• Long Range Transportation Planning (LRTP)
• Transportation Improvement Program (TIP)
• Transit Development Program (TDP)
• Unified Planning Work Program (UPWP)
• Public Participation Plan
• Federally Obligated Projects
• Wausau MPO Bicycle and Pedestrian Plan
• Miscellaneous MPO Maps