SB255 Summary

• Expands the definition of driving under the influence to include measurable amounts of specified controlled substances (THC, Schedule 1-2 drugs, and specific medications like alprazolam, clonazepam, and zolpidem) unless person has valid prescription or authorization.

• Establishes specific blood alcohol limits for drivers under 21 (0.02 percent) and school bus/day care drivers (greater than 0.02 percent).

• Removes the five-year lookback period for prior DUI convictions, allowing courts to consider any prior conviction within 10 years of current arrest when imposing sentences.

• Increases minimum mandatory sentence for fourth or subsequent DUI conviction from 10 days to 90 days in county jail.

• Adds a Class A misdemeanor charge with minimum 30 days jail time for third or subsequent conviction of operating a vehicle with suspended/revoked license related to DUI; requires ignition interlock device installation with mandated usage periods based on offense severity.