The city has begun closing streets and sidewalks across downtown Chicago as Grant Park prepares to host Lollapalooza Thursday through Sunday.

       The Office of Emergency Management and Communications announced several ongoing and upcoming street and sidewalk closures, advising motorists and pedestrians to take other routes. Most will reopen Aug. 7, the day after the music festival ends.

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       Balbo Drive from Columbus Drive to DuSable Lake Shore Drive is closed and will remain closed until Aug. 13. This closure will extend west to Michigan Avenue beginning at 8 p.m. Monday and continuing until Aug. 7.

       Jackson Drive from Columbus Drive to DuSable Lake Shore Drive is also closed and will remain closed until Aug. 12. Like the Balbo Drive closure, it will extend west to Michigan Avenue at 8 p.m. Monday, continuing until Aug. 7.

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       The OEMC said the stretch of Columbus Drive between Monroe Street and Roosevelt Road will close at 8 p.m. Monday too. Northbound center lanes on Columbus Drive between 13th Street and Roosevelt Road will also close Monday evening. Columbus Drive will reopen Aug. 7.

       The Congress Plaza circle will close from Michigan Avenue to Columbus Drive at 8 p.m. Monday and reopen Aug. 7. Monroe Street from Michigan Avenue to DuSable Lake Shore Drive will close Wednesday until the morning of Aug. 7.

       The OEMC said traffic control aides will be present downtown to help the flow of traffic.

       adperez@chicagotribune.com