CHICAGO (WLS) -- This weekend's Shamrock Shuffle is already having an impact on traffic in the area around the Loop.
Street closures for Sunday's event will begin at 9:30 a.m. Saturday for streets around the Grant Park area, including Columbus Drive from Roosevelt to Randolph.
On Sunday, the following streets will be closed from 8-11:15 a.m.:
The race will kick off Sunday at 8:30 a.m.
Parking restrictions along the route will also be in effect starting at 6 a.m. Sunday.