Environment
No direct effect
Neutral — no direct effect identified.
Benefits
- No material direct effect identified
Risks
- No material direct effect identified
StateIllinoisIntroduced
HB 4333: DUI-CHANGE LIMIT 0.08 TO 0.05
Dan Didech
HB 4333 status: Introduced — Added Co-Sponsor Rep. Justin Cochran (updated Aug 28, 2026).
Source
OpenStates
Confidence
Low
Analysis basis
OpenStates summary
01
What this bill does
Official summary alongside an AI-generated read on where it stands and why.
Overall Score
63OUT OF 100
Score:63/100 civic fit
Risk:Moderate Risk
Impact:High Impact 85/100
Constitutionality80%
Bipartisan50%
Public opinion40%
Bill summary
What changes
The bill lowers the legal threshold for blood-alcohol concentration (BAC) from 0.08% to 0.05% for drivers.
Who is affected
All drivers operating motor vehicles within Illinois and the alcohol/hospitality service industry.
Requirements and enforcement
Drivers must adhere to a lower BAC limit; state law enforcement will enforce the new standard.
Costs and funding
Potential increased costs for law enforcement processing and potential revenue impacts for hospitality businesses.
When it takes effect
Currently under legislative debate; no implementation date specified in the provided summary.
Potential benefits
Anticipated improvements in traffic safety, reduced alcohol-related accidents, and alignment with stricter global safety standards.
Risks and tradeoffs
Potential for over-enforcement, increased civil liability for social drinkers, and economic friction for bars and restaurants.
What is still unknown
Specifics on equipment requirements, law enforcement guidance for the new threshold, and exact fiscal impact on the state budget.
02
Impact analysis
✦ AI analysisModeled effects across six domains, estimated from bill text and comparable legislation.
Economy
Critical outlook
40%
Benefits
- Potential reduction in DUI-related insurance and legal costs for the state
- Possible long-term public health cost savings
- May incentivize safer consumer habits in the hospitality sector
Risks
- Increased operational compliance requirements for alcohol-serving businesses
- Potential decrease in alcohol sales volume in restaurants and bars
- Need for increased business staff training on service and liability
Society
Positive outlook
60%
Benefits
- Heightened awareness regarding impaired driving risks
- Strengthened social expectations for responsible alcohol consumption
- Potential for fewer alcohol-related traffic injuries in communities
Risks
- Increased frequency of police interactions for social drinkers
- Potential for disproportionate impacts on social habits in rural areas with limited transit
- Increased legal risk and stigma for social drinkers nearing the new threshold
Technology Industry
No direct effect
Neutral — no direct effect identified.
Benefits
- No material direct effect identified
Risks
- No material direct effect identified
Civic Accountability
No direct effect
Neutral — no direct effect identified.
Benefits
- No material direct effect identified
Risks
- No material direct effect identified
Public Health & Safety
Positive outlook
90%
Benefits
- Significant reduction in the likelihood of alcohol-related traffic accidents
- Proven efficacy of lower BAC limits in reducing serious injuries and fatalities
- Improved overall public safety on state roads and highways
Risks
- Increased administrative burden on law enforcement to process more DUI cases
- Risk of law enforcement prioritizing enforcement over other emergency duties
- Challenges in public education regarding the lower limit and consumption rates
03
How trustworthy & consequential it is
Sourcing already shown above, this is what the analysis found worth flagging.
Source
OpenStates
Official bill text or data from OpenStates.
Confidence
Low
Information is limited or incomplete.
Analysis basis
OpenStates summary
Source used for this bill's analysis.
Source note
The primary risk involves the practical application of law enforcement at the lower BAC threshold and the potential for increased civil liberty concerns.
Analysis scope
Source provided is a summary and does not include the full bill text.
04
Where it stands
Official record- IntroducedCurrent
- CommitteeUpcoming
- Chamber votesUpcoming
- Final agreementUpcoming
- GovernorUpcoming
- EnactedUpcoming
05
How it affects your district
✦ Personalized
Set your location
Add your district to see how this bill may affect your community and who to contact.
Your Representatives
Your representatives appear here once you add your location.
06
Take action
Contact your representatives
Let them know how you feel about this bill.
Share your view
Join the discussion and see what others are saying.
Track this bill
Stay updated on progress and changes.