CHICAGO (WLS) — Chicago is preparing for an influx of vehicles and people downtown who will be out celebrating Mexican Independence Day.

In past years, gridlock has left the Loop inaccessible.

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The Chicago Police Department is preparing to implement restricted vehicle traffic downtown in the event of extreme conditions this weekend.

If circumstances warrant, police said vehicle traffic may be restricted to residents who live or work in the central business district.

Residents and employees will be allowed entry at select access points if they show their driver’s license or employee ID.

Police said anyone driving in to attend event or have reservations should plan to provide proof, such as a ticket or electronic confirmation.

The procedures will only apply to vehicles and not pedestrians.

In the event of limiting vehicle access to the downtown area, the following locations will serve as access points:
-Chicago/Green
-Halsted/Washington
– Halsted/Madison
-Halsted/Jackson
-Division/LaSalle
-Roosevelt/Canal
-Taylor/Desplaines
-18th/State
-18th/Michigan
-18th/Indiana