How does this affect my trip? Westbound #20 Madison and northbound #56 Milwaukee buses will operate via Madison, State, and Randolph to Clinton. #20 buses will operate via Clinton to Madison, then resume their normal route on Madison. #56 buses will continue on Randolph to Jefferson, then resume their normal route on Jefferson. Eastbound #20 and southbound #56 buses will operate via Washington, Franklin, Wacker, and State, then resume their normal route on Washington. Allow extra travel time. Why is service being changed? Buses are rerouted due to the Disability Pride Parade.