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South Pittsburg, TN

South Pittsburg, TN ignition interlock: 1 certified installer

1 in town, 7 more within reach of South Pittsburg

Verified · next review

1 certified center in South Pittsburg, run by 1 provider. Addresses below — call ahead, most centers fit devices by appointment.

Centers here
1
Providers
1
Tennessee monthly cap
$125
set by Tennessee, not the vendor
Where to go

Certified installation centers in South Pittsburg

Sorted by how far they are from the center of South Pittsburg. Where two providers work out of the same garage, we list the garage once with both names, and we include nearby towns when their center is closer than one of your own.

1
Clarks Auto Clinic
180 12Th St N, South Pittsburg, TN 37380 · under 1 mile from the center of South Pittsburg
Intoxalock
2
Mountain Auto Sales & Service outside South Pittsburg
9880 Us 41, Monteagle, TN 37356 · 17 miles from the center of South Pittsburg
Intoxalock
3
Midas Auto Service outside South Pittsburg
1722 Market ST, Chattanooga, TN 37408 · 23 miles from the center of South Pittsburg
RoadGuard InterlockSmart Start
4
Midas outside South Pittsburg
1722 S. Market Street, Chattanooga, TN 37408 · 23 miles from the center of South Pittsburg
LifeSafer
5
Dustys Auto & Diesel Solutions Garage LLC dba DADS outside South Pittsburg
1773 Bypass Rd, Winchester, TN 37398 · 23 miles from the center of South Pittsburg
Intoxalock
6
Topless Auto Shop outside South Pittsburg
2425 Dayton Blvd, Chattanooga, TN 37415 · 24 miles from the center of South Pittsburg
IntoxalockRoadGuard Interlock
7
Jackson Motors Service Inc outside South Pittsburg
1928 S Greenwood Ave, Chattanooga, TN 37404 · 24 miles from the center of South Pittsburg
Intoxalock
8
Maples Automotive outside South Pittsburg
462 Miller Rd, Signal Mountain, TN 37377 · 24 miles from the center of South Pittsburg
Intoxalock

Compiled from providers’ own public location directories and deduplicated to unique physical places (how we build this index). Listing is not an endorsement, and no center pays to appear.

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Cost

What it costs in South Pittsburg

Interlock pricing is set at state level, so what applies in South Pittsburg applies across Tennessee. Tennessee caps these fees by regulation — a quote above them is not legal.

ChargeMaximum allowedWhat it covers
Installation$225billed hourly — up to $75 per hour, three hours maximum
Monthly$125covers lease, monitoring and maintenance
Removal$75Taking the device out at the end of your term

State-capped maximum — a provider may not charge more · Rules of Ignition Interlock Device Program, Chapter 1340-03-06 — TN Department of Safety · effective 2020-05 · checked 2026-08-23

The fees nobody quotes you over the phone

These are charged on top of the three above, and they are where a cheap-looking Tennessee quote turns expensive.

FeeAmount
Permanent lockout reset (after five or more violations)up to $50
Temporary lockout codeup to $25
Annual administrative fee$12.50
  • Providers must post their fee rates visibly in the service center office.

What Tennessee requires

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.

  • First offense: 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

Full Tennessee rules, providers and all 97 cities →

Marion County · 2020–2022

Why Tennessee orders these devices

An interlock order is not a judgment about you personally — it is what the state does with every case of this kind, and the reason sits in the crash record.

Fatal crashes involving a drinking driver
4
of 30 fatal crashes in Marion County
Share of fatal crashes
13%
Tennessee overall: 25%
People killed in those crashes
8
Marion County, 2020–2022

Source: NHTSA Fatality Analysis Reporting System, 2020–2022. The count covers fatal crashes where police recorded that a driver had been drinking, which is narrower than the federal 0.08 BAC measure and therefore understates the real figure. Marion County runs at or below the Tennessee average — the requirement is set state-wide regardless. What the device changes is measurable too: a car fitted with one cannot be started over the limit, which is why the order attaches to driving privileges rather than to the sentence.

Nearby

Other cities in Tennessee

If nothing in South Pittsburg works for you, a center one town over often has an earlier appointment — the price does not change.

Questions

Interlock questions in South Pittsburg

Where can I get an ignition interlock device installed in South Pittsburg, TN?

We index 1 certified installation point in South Pittsburg, run by Intoxalock. Addresses are listed above. Book with the provider your paperwork names, not the nearest one — a device approved in one state is not automatically approved in the next, and switching brands mid-term means a second installation fee.

How much does it cost to have an ignition interlock device installed in Tennessee?

Tennessee publishes its own figures rather than leaving it all to vendors: up to $225 to fit the device and up to $125 a month while it stays on the car, and the monthly figure is a ceiling an approved provider may not exceed. Removal is billed separately at the end of the term.

Can I drink one beer and still start the car in Tennessee?

Almost certainly not. Tennessee does not print one fixed number in the statute — the level is set by the certifying agency in the device standard, typically between 0.02% and 0.025% BAC, far below the 0.08% driving limit. The device is not testing whether you are impaired, it is testing whether you drank. One drink shortly before a test is enough on most programs, and the fail is recorded whether or not you try again.

What does an ignition interlock device do?

An ignition interlock is a breath-alcohol tester wired into your car ignition. You blow into it before starting the engine; if your breath alcohol is above the state threshold, the engine will not start.

While you are driving, the device asks for rolling retests at random intervals. Every sample, skipped test, and lockout is recorded and sent to the agency monitoring your case.

All Tennessee cities →Why Tennessee requires it →What it costs in TennesseeDUI lawyers in TennesseeIf the device recorded a violation →