The ramp for drivers headed south on Wacker Driver toward Harrison Street will be closed for maintenance through Thursday in the South Loop, according to the Chicago Department of Transportation.
The ramp, which was closed Tuesday and Wednesday, will also shut down Thursday between 9 a.m. and 4 p.m., CDOT said.
Motorists headed south on Wacker will be detoured east on Jackson Boulevard, south on Wells Street and back to Harrison.
