Utah’s drugged driving law is located at Utah Title 41, Section 41-6a. The Utah DUI prohibits driving with any “measurable controlled substance in the body.” It also prohibits a driver from driving while under the influence of “any drug)
Utah has what is known as a per se (also known as a “zero tolerance”) prohibition against drugged driving if the driver, while driving, has any controlled substance in his or her body. That means that a driver may be arrested if the police officer has a reasonable suspicion that any controlled substance even if it’s just a trace is in the driver's body while the driver is operating the vehicle. Other than the per se/zero tolerance rule, an arrest can be triggered by a driver impaired by drugs.
Utah’s drugged driving law is directed at the prohibition of any drug or controlled substance. A listing of controlled substances regulated by federal law are found at the Drug Enforcement Administration website.
A driver arrested for drugged driving in Utah will be charged with driving under the influence and subject to DUI penalties. A conviction for drugged driving will be considered as a prior offense for purposes of calculating punishment regardless of whether a subsequent offense is due to alcohol or drugs. Read more about Utah’s DUI laws.
Yes, there is an implied consent rule for blood and urine testing. The refusal to take the test can be admitted into evidence against the driver