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Tennessee

DUI lawyers in Tennessee (TN)

Tennessee charges drunk driving as DUIdriving under the influence. You will also see it written drunk driving: neighboring states use their own labels for the same conduct, and search results mix them freely. Tennessee runs the program through the court: you need an Order for Restricted Driver License signed by a judge before any provider will fit the device, plus SR-22 insurance. The order is also what the provider uses to calculate how long you serve, so the paperwork sets the clock.

Interlock term
Set by the court
Lockout threshold
Per device standard
TN monthly cap
$125
set by Tennessee, not the vendor

Speak to a Tennessee DUI attorney

We will connect you with DUI attorneys licensed in Tennessee. Consultations are normally free and there is no obligation.

What a conviction triggers

The consequences Tennessee sets by statute

These are not negotiable with a prosecutor — they follow the conviction. Knowing them is how you judge whether fighting the charge is worth it.

  • Interlock term: Set by the court order for a restricted license (form ORDL signed by the judge), which the provider uses to calculate your time in the program
  • Lockout threshold: Set by the preset limit in the certified device: the state defines it as blocking the vehicle at or above that reading
  • Program run by: The sentencing court, with the restricted license issued by TN Department of Safety

What each step carries in Tennessee: first offense penalties in Tennessee, second offense penalties in Tennessee and when it becomes a felony penalties in Tennessee.

Source: www.tn.gov · checked 2026-08-23

Full Tennessee interlock rules, costs and certified centers →

Tennessee · 2020–2022

How common drunk driving cases are in Tennessee

Federal crash records give the backdrop to how Tennessee writes and enforces its DUI law. Read the share with care: it depends heavily on how often police obtain an alcohol test, and that varies enormously between states.

Fatal crashes with a drinking driver
886
of 3,562 fatal crashes statewide
Share of all fatal crashes
25%
2020–2022
People killed in those crashes
978
Tennessee, 2020–2022

Source: NHTSA Fatality Analysis Reporting System, 2020–2022. Counts crashes where police recorded a drinking driver — narrower than the federal 0.08 BAC measure, so the real figure is higher.

Timeline

What happens, and when

Exact windows are set by Tennessee law — confirm yours with an attorney licensed there, because the first one is short.

Step 1 · Usually 7 to 30 days

The administrative clock starts immediately

Separate from any criminal charge, the licensing agency in most states starts its own process to suspend your license. You normally have a short window — in some states as little as seven days — to request a hearing. Miss it and the suspension proceeds regardless of what happens in court. This deadline is the single most common thing people lose by waiting.

Step 2 · Days to weeks after arrest

Your first court appearance

The arraignment is where the charge is read and a plea is entered. It is usually short. What matters is what has been prepared before it — whether the stop, the testing procedure and the calibration records have been examined.

Step 3 · Weeks to months

Evidence and negotiation

Breath and blood testing depends on equipment being maintained and procedures being followed. Records of both are obtainable. Most cases resolve at this stage rather than at trial.

Step 4 · Varies widely

Resolution and what follows

Beyond any fine or jail exposure, a conviction usually brings an interlock requirement, higher insurance through an SR-22 filing, and a record that follows you. The license side and the criminal side are resolved separately, and finishing one does not finish the other.

Where the cases are

The TN counties that see the most of these

Cases are heard where the stop happened, and volume shapes local practice: a county that handles hundreds of these has settled routines, diversion programs and known judges. A quiet one may have none of that.

Shelby County
160
of 684 fatal crashes · 23%
Davidson County
89
of 358 fatal crashes · 25%
Knox County
39
of 174 fatal crashes · 22%
Hamilton County
33
of 132 fatal crashes · 25%
Rutherford County
32
of 110 fatal crashes · 29%

These five counties account for 40% of every alcohol-involved fatal crash in Tennessee, so these cases are spread widely across the state rather than concentrated in one metro. Statewide the figure is 25% against 26% nationally, but that gap is not what it looks like: Tennessee police obtained an alcohol test for 43% of drivers in fatal crashes, against 40% nationally. Across all 51 jurisdictions the two move together closely — states that test more, record more. Comparing states on this number measures testing practice at least as much as drinking.

Fatal crashes where police recorded a drinking driver, 2020–2022. Source: NHTSA Fatality Analysis Reporting System.

Near me

Finding a DUI lawyer near you in Tennessee

«Near me» matters more here than in most legal work, and not for convenience. The prosecutor, the diversion program and the judge are all county level, so an attorney who works that courthouse weekly knows things that do not transfer from the next county over.

Distance to the courthouse matters less than how often the attorney appears in it. A firm two hours away that regularly handles TN DUI cases in your county is a better bet than the nearest office that rarely does.

Judging quality

What «best» can and cannot mean

We do not publish a top list, do not rank firms and do not call anyone recommended — anyone who does is selling placement, and star reviews on legal directories are easy to buy. An affordable attorney who rarely fights this charge is not the bargain it looks like. What you can check yourself: whether they are licensed and in good standing with the Tennesseebar, how much of their practice is DUI work rather than general criminal defense, and whether they appear in your county specifically.

Fees are set by the firm, not by Tennessee, and vary with whether the case is resolved by plea or goes to trial. What actually drives the cost →

After the sentence

What Tennessee does about the device

Whatever happens in court, the licensing side ends the same way for most people: an interlock as the condition of driving again. Tennessee sets its own trigger, its own length and its own list of companies allowed to fit it.

Locks the engine at
Per device standard
set by The sentencing court, with the restricted license issued by TN Department of Safety
First offense
Set by the court
on the device before full privileges return
Where you would fit it
183
certified centers across 97 Tennessee cities

Tennessee is one of the few states that publishes what a provider may charge, so the quote is checkable against the regulation rather than against another quote. See the Tennessee figures and centers →

Before paying anyone, check the company against the state’s own register: Tennessee Ignition Interlock Program approved manufacturers currently accepting new customers, with a service-center map. An installation by a company that is not on it does not count towards your term.

Where you were charged

Cities in Tennessee

DUI cases are heard in the county where the stop happened, so local practice matters. These are the Tennessee cities we cover.

How to choose a local attorney →

Injured in a Tennessee drunk driving accident?

Then you need the opposite of this page: a TN drunk driving accident lawyer, that is a personal injury attorney, who acts against the driver rather than for them.

What a crash claim involves →

Attorney advertising. InterlockDeviceNearMe is not a law firm, does not practice law, and does not give legal advice. Nothing here creates an attorney-client relationship. Requesting a consultation connects you with an independent attorney or a legal referral service, who decide separately whether to take your case. Case outcomes depend on facts we do not know, and no result is ever promised. Deadlines in DUI cases are short and vary by state — speak to a licensed attorney in your state before relying on anything you read here.

All states →Tennessee DUI law and penalties →Interlock installers in Tennessee