DUI HOME |
Arrests | Drug Toxicology | Court Filings |
Court Findings | Convictions & Assessments | Sentencing |
This dashboard (link above) shows trends with screenings, positive results, and polydrug toxicology, or drug testing results that show individuals tested positive for more than one drug.
DUI cases that matched with a drug toxicology report are shown in this dashboard (above). DUI cases without a corresponding toxicology match may reflect suspect testing refusals or limitations with data linking methods used. The following table represents the rates of toxicology matching per year:
Year |
DUI Case Filings with Any Toxicology Report Match |
DUI Case Filings with Alcohol Screening |
DUI Case Filings with Cannabis Screening |
DUI Case Filings with Drug Screening |
2016 |
65% |
58% |
15% |
13% |
2017 |
66% |
60% |
18% |
11% |
2018 |
63% |
58% |
19% |
12% |
2019 |
61% | 60% | 23% | 21% |
Important toxicology levels in court proceedings:
Drug |
Per se limit prohibiting driving at this toxicology level |
Permissible Inference level of impairment |
Alcohol |
0.08 Breath/Blood Alcohol Content (BAC) |
0.05 BAC |
Cannabis |
N/A |
5 ng/mL of Delta-9 THC, the primary psychoactive component of cannabis |
The Drug Toxicology visualization also displays trends for drug categories based on the Drug Recognition Expert categories and Fatality Analysis Reporting System. See also the Drug Recognition Expert Categories and Schedule of Drugs,