Chicago Nascar Race 2025 Street Closures. — periodic lane closures and some overnight ramp closures can be expected through the end of 2025. — the start of more than two dozen street closures and parking restrictions for the upcoming 2025 nascar chicago street race took effect early monday, almost one month.
— the city of chicago and nascar released traffic plans ahead of the 2025 chicago street race returning for the second year on july 6 and 7. — 2025 nascar chicago street race weekend began saturday.