Speed Limit Laws: Illinois
Rural Interstates: Cars (MPH)
70
GHSA maintains data on state laws surrounding a number of highway safety issues. Below is information regarding laws in the state of Illinois. For more information, consult the State Highway Safety Office.
No helmet laws. Universal helmet law repealed 1970.
4 years
81-86: renewal every 2 years 87 and over: renewal every year 75 and over: road test required
Zero tolerance for some drugs
Decriminalized and legal for recreational and medical use
THC per se (5 ng)
70
70
55
55
65
55
Mandatory for all convictions; highly incentivized for first convictions
Yes
Yes
0.16
6 months
After 30 days
Under 2 yrs under 40 lbs and under 40" in rear-facing child restraint
Under 8 yrs
8-15 yrs
Over 40 lbs in rear seat if only lap belt available
Nighttime driving: 18 years Driving with passengers: 17 years
15
9
50 (10)
16
Sun-Thurs: 10 p.m. - 6 a.m Fri-Sat: 11 p.m. - 6 a.m.
First 12 months: no more than 1 under 20
Primary
16 and over
All
All drivers. Primary law.
Yes. Primary law.
Yes. Primary law.
Drivers under 19. Primary law.
Permitted by state law and city ordinance
In construction or maintenance zones (only when workers are present); in safety zones - within 1/8th of a mile of a school or park district used for recreational purposes in municipalities with a population of 1 million or more inhabitants (only within certain hours)
Permitted by state law
Specified jurisdictions
Rural Interstates: Cars (MPH)
70
Ignition Interlocks
Mandatory for all convictions; highly incentivized for first convictions
Child Restraint Required
Under 2 yrs under 40 lbs and under 40" in rear-facing child restraint
Under 8 yrs
Full Privilege Minimum Age
Nighttime driving: 18 years
Driving with passengers: 17 years
Type of Law
Primary
Hand-Held Ban?
Yes. Primary law.
Speed Cameras
Permitted by state law and city ordinance
Red Light Cameras
Permitted by state law
Speeding
$375 for 1st offense; $1,000 for all subsequent offenses
No
Yes