
Violations that take place in a construction or maintenance zone carry minimum fines of $250 for a first offense and $750 for a second or subsequent violation. Class A misdemeanor and carries up to one year in jail and a maximum $2,500 in fines.įor speeding violations in school zones, the minimum fines are $150 for a first offense and $300 for a second or subsequent offense. 35 miles per hour or more over the limit.

Class B misdemeanor and carries up to six months in jail and a maximum $1,500 in fines. 26 to 34 miles per hour over the limit.21 to 25 miles per hour over the limit.1 to 20 miles per hour over the limit.But generally, the possible penalties are: The consequences of a speeding ticket depend on the circumstances. 15 miles per hour in urban district alleys, and.30 miles per hour on urban district roadways.55 miles per hour on other highways, roadways, and streets outside urban districts.65 miles per hour state highways with at least four lanes that are outside urban districts.70 miles per hour on interstate highways.Illinois's absolute speed limits include: There is no trick to how Illinois's absolute speed limits work: If the absolute speed limit is 50 miles per hour and you drive faster than that, you've violated the law. But if it's dark and the road is icy, going 55 miles per hour could be dangerous and a violation of the basic speeding law. For instance, 55 miles per hour might be safe on a bright, sunny day.

What a safe speed is will depend on the circumstances. Illinois's basic speeding law prohibits driving at a speed that is "greater than is reasonable and proper with regard to traffic conditions and the use of the highway, or endangers the safety of any person or property." In other words, motorists must always drive at a safe speed. Illinois has two types of speeding laws: a "basic speeding law" and "absolute limits." This article explains the differences between the two and the consequences of a speeding violation.
