Des Plaines City Code 6-2-7(E) applies its dBA limits to vehicles and equipment on the public right of way (excessive at 65 dBA daytime / 50 dBA quiet hours more than 30 feet away), while vehicles on state roads and interstates are exempt (6-2-7(B)(1)(g)) and governed by Illinois Vehicle Code muffler law.
Des Plaines addresses vehicle noise both locally and through state law. Under City Code Section 6-2-7(E)(4)(b) and (E)(5)(b), sound from a source not located on a property, 'including, without limitation, vehicles and equipment located on a public right of way,' is excessive when it exceeds 50 dBA during quiet hours or 65 dBA at other times, measured more than 30 feet from the source (or 40/55 dBA inside a structure). However, the ordinance exempts 'vehicles on state roads and interstate highways' (6-2-7(B)(1)(g)) and 'railroad trains in transit through the city' (6-2-7(B)(1)(j)). For motor-vehicle equipment generally, Illinois state law preempts the field: 625 ILCS 5/12-602 requires every motor vehicle to be equipped with an adequate muffler in good working order to prevent excessive or unusual noise and prohibits muffler cutouts, bypasses, or similar devices and gut/modified exhaust that amplifies noise. Local police enforce both the city dBA limits on residential streets and the state muffler statute on roadways.
City noise penalties under Title 1, Chapter 4 for right-of-way violations (6-2-7(G)); state muffler/exhaust violations are petty offenses under 625 ILCS 5/12-602 enforced by police.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Des Plaines, IL
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Des Plaines, IL
Des Plaines requires fences and the full lot to be properly maintained, including portions of a lot where a fence is not on the property line, and limits fen...
Des Plaines, IL
Des Plaines prohibits barbed-wire and electrically charged fences in residential areas; they are allowed only in nonresidential districts where the Zoning Ad...
Des Plaines, IL
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Des Plaines, IL
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Des Plaines, IL
Des Plaines has no separate seasonal burn-ban ordinance; open burning of waste is already prohibited year-round under City Code 5-2-5 and state rule 35 Ill. ...
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