(Salt Lake City-AP) -- Driving under the influence doesn't always mean alcohol, it means prescription drugs too. A semi-trailer driver found that out the hard way.
The driver was arrested yesterday after an undercover officer noticed him swerving in and out of his lane on Interstate-15. The 43-year old failed a field sobriety test and told officers he was taking a prescription painkiller.
Utah Highway Patrol officers say D-U-I is prosecuted the same way whether it's drugs, alcohol or prescription drugs.
Officers say it was fortunate no one was hurt.
The truck was hauling pallets. The driver was working for Southern Idaho Transportation.
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