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Tennessee DUI Laws
In Tennessee, you can be charged with DUI for driving under the influence of alcohol, drugs, or any intoxicant that impairs your ability to drive safely. The legal BAC limit is 0.08% for drivers 21+, 0.04% for commercial drivers, and 0.02% for drivers under 21 due to zero-tolerance laws.
Under the “implied consent” law, refusing a chemical test results in an automatic license suspension. Penalties for a DUI conviction are severe and increase with each offense, including jail time, heavy fines, license suspension, and mandatory ignition interlock device installation.
