Take note if you'll be in the downtown area this weekend.

Vehicle traffic could be restricted because of Mexican Independence Day celebrations, city officials warned this week. Residents may experience increased traffic downtown, Chicago's Office of Emergency Management and Communications said, adding street closures to limit traffic flow may be necessary "in extreme circumstances."

A large number of caravans swarmed streets the past few years, forcing city officials to temporarily stop drivers from entering downtown.

Ald. Brendan Reilly, whose 42nd Ward includes part of the downtown area, said Chicago police "will implement rolling closures if unsanctioned car caravans are blocking traffic in the Central Business District."

Chicago's Central Business district is defined by the b

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