BAC Limits & DUI Consequences, by State
Blood-alcohol legal limits for adults, minors, and commercial drivers; refusal-to-test penalties; first-offense consequences.
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- BAC limit: adult
- BAC limit: minor (under 21)
- BAC limit: commercial
- Implied consent / refusal consequences
- DUI first-offense consequences
- Ignition interlock required
| State | BAC limit: adult | BAC limit: minor (under 21) | BAC limit: commercial | Implied consent / refusal consequences | DUI first-offense consequences | Ignition interlock required |
|---|---|---|---|---|---|---|
| California | 0.08% | 0.01% | 0.04% | By driving in California, you consent to a breath, blood, or urine test whenever... | A first DUI conviction in California triggers a one-year suspension or revocatio... | conditional |
| Colorado | 0.08% | 0.02% | 0.04% | Colorado's Express Consent Law (C.R.S. | A first DUI conviction in Colorado (driver substantially incapable of safe drivi... | conditional |
| Florida | 0.08 | 0.02 | 0.04 | Consent is not something you sign for, it is something you give by driving. | A first DUI conviction in Florida carries a fine of $500 to $1,000 (raised to $1... | 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 | yes | Administrative: the Department revokes the license for 185 days when chemical te... | yes |
| New York | 0.08 | 0.02 | 0.04 | Under New York's Implied Consent law, driving in the state is treated as consent... | A first DWI conviction (0.08 BAC or higher) or DWAI-Drug is a misdemeanor: minim... | yes |
| 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 driving, operating, or being in actual physical control of a vehicle in Penns... | Pennsylvania DUI penalties for a first offense scale with BAC. | conditional |
| South Carolina | – | 0.02 | – | When you accept a South Carolina driver's license, you give implied consent to a... | – | – |
| Texas | 0.08 | 0.00 (any detectable amount) | 0.04 | Anyone arrested in Texas for operating a motor vehicle or watercraft in a public... | A standard first Driving While Intoxicated conviction in Texas is a Class B misd... | conditional |
| 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 |
11 states verified. Tap a state for source citations and full BAC Limits & DUI Consequences detail.