How does this affect my trip?
Eastbound buses will operate via Lower Columbus, Lower Wacker, and Lower Lake Shore Drive, then resume their normal route on Illinois.
Westbound buses will operate via Grand, Lower Lake Shore Drive, and Lower Wacker, then resume their normal route on Lower Columbus.
Allow extra travel time.
Why is service being changed?
Buses are rerouted due to maintenance on the Columbus Drive Bridge over the Chicago River.