BAC Limits & DUI Consequences, by state.
Blood-alcohol legal limits for adults, minors, and commercial drivers; refusal-to-test penalties; first-offense consequences.
| State | Bac Limit Adult | Bac Limit Minor | Bac Limit Commercial | Implied Consent | Dui First Offense Consequences | Ignition Interlock Required |
|---|---|---|---|---|---|---|
| Colorado | 0.08% | 0.02% | 0.04% | Colorado's Express Consent Law (C.R.S. 42-4-1301.1) provides that by operating a... | A first DUI conviction in Colorado (driver substantially incapable of safe drivi... | conditional |
| Illinois | 0.08 | 0.00 (zero tolerance) | – | Driving on Illinois roadways is consent by operation of law to chemical testing.... | A first DUI conviction in Illinois triggers a minimum one-year revocation of dri... | conditional |
| Nevada | 0.08 | 0.02 | 0.04 | Under Nevada's Implied Consent Law (NRS 484C.220), if an officer suspects you ar... | Administrative: license revoked for 185 days when chemical tests show 0.08 perce... | conditional |
| Oregon | 0.08 | 0.00 | 0.04 | By driving any motor vehicle on Oregon premises open to the public, you have aut... | A first DUII conviction in Oregon is a Class A misdemeanor: $1,000 minimum fine, at least 48 hours in jail or 80-250 hours of community service, a one-year license suspension, and a one-year ignition interlock after the suspension ends. Most first-time offenders may instead petition for the one-year diversion program, which ends in dismissal if completed. | yes |
| Pennsylvania | 0.08 | 0.02 | 0.04 | By being licensed to drive in Pennsylvania, you have already consented to chemic... | Pennsylvania DUI penalties for a first offense scale with BAC. At the General Im... | conditional |
| South Carolina | – | 0.02 | – | When you accept a South Carolina driver's license, you give implied consent to a... | – | – |
| Virginia | 0.08 | 0.02 | – | Under Virginia's implied-consent law, by operating a motor vehicle on the state'... | On a first DUI arrest in Virginia, your driving privilege is automatically suspe... | conditional |
Tap a state for source citations and full BAC Limits & DUI Consequences detail.