Ignition Interlock Report 2026 | MADD

Ignition Interlock Report

State Ratings & Drunk Driving Attempts Prevented

Introduction An ignition interlock is a device about the size of a smartphone that is wired into the ignition system of a vehicle and requires a breath sample from the driver to measure the driver’s breath alcohol concentration. A driver can be ordered to use one following a drunk driving arrest or conviction, typically for a duration of at least six months. In most states, ignition interlocks are set at .02 BAC, and the vehicle will not start if the driver’s BAC exceeds that limit. This report outlines the effectiveness of ignition interlock laws with three data points: 1. The number of times an ignition interlock has prevented a drunk driver from starting their vehicle per state

Interlocks are more effective than license suspension as the American

Association of Motor Vehicle Administrators

estimates that 75% of people continue to drive on a suspended license.

2. A grade for each state’s ignition interlock law and recommendations for improvement

3. Loopholes that prevent the full benefit of ignition interlock laws

MADD collaborates with partners to evaluate laws and identify areas for improvement in state laws. This report identifies the progress made over nearly two decades of advocating for all-offender ignition interlock laws and informs the work in the year ahead.

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In 2026, MADD has worked in the following states:

Arizona

Close loopholes (HB 2573 and HB 2800) HB 2573 signed into law on June 4, 2026 HB 2800 signed into law on June 22, 2026

California

All-Offender (AB 1830)

Colorado

Close loopholes (HB 1242) Signed into law on May 28, 2026

Close loopholes (S 1311) Signed into law March 26, 2026

Idaho

Louisiana

Close loopholes (HB 69 and SB 278) HB 69 signed into law May 11, 2026

Laws requiring ignition interlocks for all convicted drunk drivers reduce drunk driving deaths by 26%. (Insurance Institute for Highway Safety)

Michigan

Close loopholes (SB 580)

Missouri

Close loopholes (Melanie’s Law HB 1740)

New York

No wait out of interlock order (A 2703 and S 2517)

North Carolina

All-Offender (H 1199)

Pennsylvania

Help to implement current interlock law (HB 1862)

Rhode Island

All-Offender (H 7489 and S 2970)

South Carolina

Close loopholes (S 52)

Virginia

Close loopholes (HB 561) Signed into law May 14, 2026

Reduces repeat drunk driving offenses by 67% when compared to license suspension alone. (Centers for Disease Control and Prevention)

Compliance-based removal (A 258) Signed into law on April 9, 2026

Wisconsin

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MADD Louisiana joins Gov. Landry in 2024 for a bill signing.

MADD’s Support for All-Offender Laws

In 2006:

Today:

MADD began prioritizing the passage of state laws requiring the use of ignition interlocks for all convicted drunk drivers in 2006, because years of data showed that suspending a drunk driving offender’s license was not effective in preventing driving and changing behaviors. At the time, only New Mexico required ignition interlocks for all drunk drivers, starting with the first offense. Four states required the devices for first-time offenders with a BAC of .15 or greater, and another five states required them for repeat offenders. Today, 34 states and Washington, D.C., mandate the use of ignition interlocks after the first offense. MADD, volunteers and partners work together to urge states to enact an all-offender ignition interlock laws, meaning a drunk driver must use an ignition interlock if they choose to drive after a conviction or during a court-ordered or administrative license suspension.

Only 2% of states (including D.C. and Puerto Rico) mandated the use of ignition interlocks after first offense.

65% of states (including D.C. and Puerto Rico) mandate the use of ignition interlocks after first offense.

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MADD joins Maryland Gov. Moore in 2024 as he signed a bill that closed a loophole on Noah’s Law.

5.7 Million Drunk Driving Attempts Stopped Since 2006

Research and studies demonstrate ignition interlocks are an effective tool to stop drunk driving, save lives and change behavior. But how many times have these devices stopped someone from driving drunk? MADD set out to answer this question 10 years ago and released the first-ever report detailing the number of times an ignition interlock stopped a convicted drunk driver from driving with a breath alcohol concentration (BAC) of .08 or greater. The findings were shocking: Ignition interlocks had stopped millions of attempts to drive drunk, preventing repeat offenses and potential deaths and injuries.

MADD builds on this data each year, collecting both national and state-specific statistics to help educate state policymakers, elected officials and the public on the lifesaving benefits of strong ignition interlock laws. The data show that ignition interlocks are making a real difference to stop this crime. Since MADD began its focus on all-offender ignition interlock laws in 2006, the devices have stopped nearly 5.7 million attempts to drive drunk with a BAC of .08 or greater, including over 335,000 in 2025 alone.

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Drunk Driving Attempts Stopped by an Ignition Interlock (by Year)

Location Alabama

2006-2025 2025 2024 2023 2022 2021

2020 2019

2006–2018

15,996 26,168

1,298 1,898

1,730

1,676

1,579 1,474

1,309 1,266

2,447 1,146

1,847 2,551

4,110

Alaska Arizona

2,036 1,458

14,339

163,063 7,622

8,502

10,478 8,663 7,016

11,005 12,332 97,445

Arkansas California Colorado

207,521 447,487

15,982 18,809 21,404 19,749 19,046 17,835 14,699 79,997 23,048 26,270 30,565 34,623 34,580 28,078 25,072 245,251

187,023 8,004

9,327

10,929 11,116

11,684 15,365 10,506 110,092

Connecticut

146,753 9,20810,92611,323

10,986 11,146

11,754 14,173

67,237 5,957

Delaware

12,076

735 149

963

754

924

830

995

918 175

D.C.

523

64

3

3

5

20

104

Florida Georgia Hawaii Idaho Illinois Indiana

164,396 9,094

10,347 13,253 11,819 10,756 11,809 8,931

88,387 35,335

81,886 15,799 26,071

6,516 1,229 3,652

8,385 7,131

8,206 7,335

4,368 4,610

819

767

683

706

811

1,061 1,104

9,723 6,947

3,869 3,314 9,260 9,133

2,419

2,221

2,545 9,141 2,811

175,274 7,430

10,566 8,992

6,944 1,758

113,808

33,796

3,108

3,542

3,836

3,915

4,316

10,510

Iowa

324,243 24,94529,81330,66928,27926,38926,98926,681

130,478 105,922

Kansas

162,277 23,826

7,308 2,606

7,640 8,459

8,473 6,750 7,852

9,873

Kentucky Louisiana

2,582

3,200 3,251

3,207

2,096 1,734

5,150

203,139 12,63612,55913,40913,33916,10617,46215,522102,106

Maine

24,460 920 112,069 7,436

1,410 7,626 1,818 1,584

1,539 8,163 2,363 1,798 9,078

1,662 7,783 3,401

1,426 7,083 4,193

1,692 7,042

1,302 9,575

14,509 57,361 39,271 28,020 73,673 6,790 105,902

Maryland

Massachusetts 61,454

2,244

4,358 3,806

Michigan Minnesota Mississippi Missouri Montana Nebraska

39,996

1,413

1,488 1,490

1,945 6,881 1,507

2,258 7,496

130,020 8,530 9,847

8,037

6,478 1,565

16,415 179,651 11,484 67,225 43,464

1,592 7,882

1,501

1,169

1,103

1,188

10,578 11,497

10,009 11,489 11,100 11,194

477

707

1,131

968

1,147

828

314

5,912

3,127 4,693 1,006

4,170

5,444

5,365 5,878 6,008 5,451

4,726

4,178

34,337 8,530 11,563

Nevada

4,649 6,160 5,048 1,173

4,059 3,914

New Hampshire 24,871

1,513

1,602

1,791

1,175

New Jersey

282,504 31,52536,69439,77532,83222,55616,10515,75987,258

New Mexico 129,235 8,574

8,541

8,277

7,277

6,908 6,958 3,862

78,838 97,297 22,572

New York

146,501

5,459 3,941

6,304 8,026

8,224 7,445

8,157

5,589

North Carolina 44,265 North Dakota 2,864

2,774

3,380 1,704

2,160

5,045 2,689

115

530

251

717

536

314

79

322

2,795 6,002

3,582 5,846

3,809 4,419 6,230 7,153

4,438 3,001

27,488

Ohio

52,349

2,817

Oklahoma

135,025 5,785

12,650 11,080 80,279

Oregon

75,966

3,676

3,728 3,924

3,563 3,430 4,150 5,639

47,856

Pennsylvania130,734 6,568

7,339 1,753

7,335 1,633

8,076 8,379

9,336 6,820 76,881

Rhode Island 17,853 South Carolina 28,003 South Dakota 2,571

1,873 4,187

1,881 2,773

2,865 2,513

1,839 2,072

1,139 1,879

4,870 8,704 1,779

3,030 2,845

106

76

37

62

250

197

64

Tennessee

153,223 15,73616,76414,82313,49212,87810,9899,055

59,486

Texas Utah

534,108 25,69430,197

34,043 38,409 34,420 34,367 29,649 307,329

38,012 16,802 44,792

1,811

2,180 2,393

2,375 2,781

3,417 1,422 3,815

3,843 1,267 2,709

19,212

Vermont Virginia

1,062 1,765

1,174

858

966

1,042

9,011

2,056 3,154

4,826 4,039

22,428

Washington 201,701 West Virginia 37,073

10,843 10,662 10,431

10,731

11,599 14,089 14,225 119,121

1,208

1,312

1,213

1,143

1,145

1,478

1,642

27,932

Wisconsin Wyoming

465,565 17,02617,25520,63424,521

28,183 28,281

29,795 299,870

27,652

1,274

1,473

1,194

1,499

1,381

768

3,222

16,841

Total 5,695,274 336,883379,020404,930402,514387,544390,345359,8983,034,140 Data collected by Mothers Against Drunk Driving from major interlock vendors. The time period is from December 1, 2006 to December 31, 2025

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Location Total Stops .08 BAC and over stops

.02 to .79 BAC Stops 129,291 282,903 1,697,580 1,472,630 3,302,096 1,698,622

Alabama Alaska Arizona Arkansas California Colorado

145,287 309,071

15,996 26,168

1,860,643 163,063

1,680,151

207,521

3,749,583 447,487 1,885,645 187,023 1,090,500 146,753

Connecticut

943,747 87,391 21,808

Delaware

99,467 22,331

12,076

D.C.

523

Florida Georgia Hawaii Idaho Illinois Indiana

1,407,351 573,407 225,362 197,595 989,894 253,713

164,396 81,886 15,799 26,071 175,274 33,796

1,242,955 491,521 209,563

Breath Alcohol Levels

State laws typically follow standards recommended by the National Highway Traffic Safety Administration to require ignition interlocks to be set at a lower threshold of .02 breath alcohol content (BAC) to prevent any drinking and driving occurrences. Since 2006, interlocks prevented over 44.2 million attempts to drive with a .02 BAC or greater, including 2.6 million in 2025 alone.

171,524 814,620 219,917

Iowa

2,377,708 324,243 1,447,085 162,277

2,053,465 1,284,808 169,872 1,156,205

Kansas

Kentucky Louisiana

193,698

23,826

1,359,344 203,139

Maine

122,612 1,121,534

24,460 112,069 61,454 39,996

98,152

Maryland

1,009,465 356,603 347,822 951,989 114,483 1,197,997

Massachusetts 418,057

Michigan Minnesota Mississippi Missouri Montana Nebraska

387,818

1,082,009 130,020

130,898

16,415

1,377,648 179,651

63,143

11,484 67,225

51,659

Since 2006:

621,265

554,040 286,786 104,905 1,066,919 805,621 634,794 351,807 33,427 297,535 923,871 529,379 661,412 106,693 209,828

Nevada

330,250 43,464

New Hampshire 129,776

24,871

New Jersey New Mexico

1,349,423 282,504

934,856 781,295

129,235 146,501 44,265

New York

Ignition interlocks have prevented 5,695,274 attempts to drive drunk with a BAC of .08 or greater.

North Carolina 396,072 North Dakota 36,291

2,864

Ohio

349,884

52,349

Oklahoma

1,058,896 135,025

Oregon

605,345

75,966 130,734 17,853 28,003

Pennsylvania 792,146 Rhode Island 124,546 South Carolina 237,831 South Dakota 14,531

2,571

11,960

Tennessee

1,377,526 153,223 3,877,884 534,108

1,224,303 3,343,776

Ignition interlocks have prevented

Texas Utah

317,639 161,621 412,957

38,012 16,802 44,792

279,627 144,819 368,165

44.2M

Vermont Virginia

attempts to drink and drive with a BAC of .02 or greater.

Washington 1,737,334 201,701

1,535,633 448,190 2,915,889

West Virginia 485,263

37,073

Wisconsin Wyoming

3,381,454 465,565

171,727

27,652

144,075

Total

44,257,416 5,695,274 38,562,142

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Data collected by Mothers Against Drunk Driving from major interlock vendors. The time period is from December 1, 2006 to December 31, 2025

Location Total Stops .08 BAC and over stops

.02 to .79 BAC Stops

Alabama Alaska Arizona Arkansas California Colorado

8,791

1,298 1,898 7,622

7,493 14,132 77,776 110,701 163,080 71,422 59,579

16,030 85,398 126,683 186,128 79,426 68,787

15,982 23,048 8,004 9,208

Connecticut

Delaware

3,196 1,535

735 149

2,461 1,386

D.C.

Florida Georgia Hawaii Idaho Illinois Indiana

54,874 43,989

9,094 6,516 1,229 3,652 7,430 3,108 24,945 7,308 2,606 12,636

45,780 37,473 6,748 16,515 44,706 19,030 145,632 57,401 17,795 73,709 4,569 58,871 12,259 14,849 92,986

In 2025:

7,977

20,167 52,136 22,138 170,577 64,709 20,401 86,345

Ignition interlocks stopped 336,883 attempts to drive drunk with a BAC of .08 or greater. That is 922 attempts prevented every day and 38 prevented every hour. Ignition interlocks stopped 2,656,155 attempts to drink and drive with a BAC of .02 or greater. That is 7,277 attempts prevented every day and 303 prevented every hour.

Iowa

Kansas

Kentucky Louisiana

Maine

5,489

920

Maryland

66,307

7,436 2,244

Massachusetts 14,503

Michigan Minnesota Mississippi Missouri Montana Nebraska

16,262 101,516

1,413

8,530 1,592 7,882

9,935

8,343

62,784 3,279 30,011 36,209

54,902

477

2,802

3,127 4,693 1,006 31,525 8,574 5,459 3,941

26,884 31,516

Nevada

New Hampshire 7,782

6,776

New Jersey New Mexico

133,541 75,516 34,127

102,016 66,942 28,668 33,777

New York

North Carolina 37,718 North Dakota 368

115

253

Ohio

17,602 44,578 41,252

2,817 5,785 3,676 6,568 1,873 4,187

14,785 38,793 37,576 46,834

Oklahoma

Oregon

Pennsylvania 53,402 Rhode Island 10,636 South Carolina 34,067 South Dakota 439

8,763

29,880

106

333

Tennessee

177,418 184,408

15,736 25,694

161,682 158,714 20,045 11,462 19,286 94,853 16,254 132,241

Texas Utah

21,856 12,524 21,051

1,811

Vermont Virginia

1,062 1,765

Washington 105,696 West Virginia 17,462

10,843 1,208 17,026

Wisconsin Wyoming

149,267

9,813

1,274

8,539

Total

2,656,155 336,883 2,319,272

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Data collected by Mothers Against Drunk Driving from major interlock vendors. The time period is from January 1, 2025 to December 31, 2025

Closing Loopholes

Although 34 states and Washington, D.C. have laws that require every drunk driver to use an ignition interlock or not drive at all, there are many loopholes that allow an offender to avoid an ignition interlock requirement.

Suspected impaired drivers refuse a chemical test. 1 in 5

Survivor Rhonda Campbell and MADD’s Natasha Thomas meet with California Assembly Public Safety Committee chair, 2024

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Top Four Weaknesses in State Laws

33 states plus Puerto Rico make drunk drivers wait a specified period before installing an interlock. MADD believes drunk drivers who did not cause an injury should be eligible to use an interlock upon arrest or administrative or court ordered license revocation. MAKING DRUNK DRIVERS WAIT TO USE AN IGNITION INTERLOCK According to data collected by NHTSA, roughly 1 in 5 suspected impaired drivers refuse a BAC test. 19 states plus Puerto Rico do NOT require these offenders to use an interlock in order to drive during a license suspension. NO INTERLOCK REQUIREMENT FOR REFUSALS

WAITING OUT AN INTERLOCK PERIOD

The biggest loophole is offenders can wait out the suspension period or interlock restriction and choose not to drive. 37 states plus Puerto Rico DON’T require all offenders to use an interlock before obtaining a license.

NO COMPLIANCE-BASED REMOVAL LAW 21 states plus Puerto Rico DON’T require all drunk drivers to prove compliance with the interlock order before obtaining a regular license.

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Grading Ignition Interlock Laws

As a whole, the nation scores a 53% for ignition interlock laws. National Average F

MADD graded state ignition interlock laws based on five criteria. The grades are meant to encourage action in legislatures to improve drunk driving laws. MADD thanks prosecutors, law enforcement, highway safety officials and all of those involved with implementing current ignition interlock laws to keep the public safe.

Volunteers, staff and partners join a bill signing in Wisconsin in 2026.

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LAW WEIGHTED SCORE

DESCRIPTION OF SCORE

A CDC meta-analysis of interlocks studies found that ensuring all offenders use an interlock to drive during a license revocation or suspension is proven to reduce repeat offenses by 67% compared to license suspension alone. This category of the law is the most important and the most weighted in our grading chart. The biggest loophole that the majority of states have with their interlock law is the ability to wait out the use of an interlock following revocation. The best way to ensure that a drunk driver uses an interlock is to require the person to use the device before ever obtaining a legal unrestricted driver’s license. Studies on interlock found that once the device is removed, the person can relapse and drive drunk again. Compliance-based removal extends a drunk driver’s use of an interlock when there are too many drunk driving attempts or other violations while utilizing the device. States still make drunk drivers wait days or months before having the opportunity to be taught how to drive sober with an interlock. Ensuring these devices are available as soon as legally possible after a drunk driving offense will accelerate the safety benefits of ignition interlock use. According to NHTSA, nearly one in five suspected drunk drivers refuses to submit to a chemical test upon arrest. Ensuring that interlocks are a condition of any driving privileges granted for a refusal helps close loopholes. The majority of states have enacted such laws.

All-Offender

45

No Wait Out of Interlock

35

Compliance- Based Removal

10

IID Available Upon Revocation

5

IID Refusals

5

13

Ignition Interlock Grades

Location

All-Offender

No Wait Out

Compliance based

IID upon revocation

IID Refusals

2026 Report Grade

National Rank (1-52)

Alabama Alaska Arizona Arkansas California Colorado

22.5*

10

2.5*

5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5

F (40%) B (85%)

33

45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45

35 35 35 35 35 35 35

Tied-13

10 10 5* 10 10 10 10 5*

5 5

A+ (100%) A+ (100%)

Tied-1 Tied-1

2.5*

F (7.5%)

Tied-41 Tied-1 Tied-7 Tied-7 Tied-1 Tied-45 Tied-41 Tied-18 Tied-13 Tied-18 Tied-41 Tied-18 Tied-7 Tied-18

5

A+ (100%)

Connecticut

A (95%) A (95%)

Delaware

D.C.

5

A+ (100%)

Florida Georgia Hawaii Idaho Illinois Indiana

F (5%)

2.5*

F (7.5%) D (65%) B (85%) D (65%) F (7.5%) D (65%) A (95%) D (65%) B (80%) F (45%)

10

5

35

10

5

2.5*

Iowa

10 10 10 10 10 5* 5* 5* 10 10 10 10 10 10 10 5* 5* 10 10 5*

5

Kansas

35

Kentucky Louisiana

5

17.5*

2.5*

16

Maine

32

Maryland

35

5

5

A+ (100%)

Tied-1

Massachusetts

F (5%) F (5%) F (10%)

Tied-45 Tied-45 Tied-39 Tied-25

Michigan Minnesota Mississippi Missouri Montana Nebraska

2.5* 2.5* 2.5*

2.5*

45

5

D- (62.5%)

22.5*

F (35%)

34

F (0%)

Tied-49

45 45 45 45 45 45

2.5*

5 5

F (52.5%) D (65%)

31

Nevada

5

Tied-18

New Hampshire

F (55%)

30

New Jersey New Mexico

2.5*

5

D- (62.5%) A (95%) D- (60%)

Tied-25

35

5 5

Tied-7

New York

27

North Carolina North Dakota

17.5*

2.5*

5

F (30%)

Tied-36 Tied-49 Tied-45

F (0%) F (5%)

Ohio

Oklahoma

45 45

35

5

A (95%) F (55%) F (12.5%)

Tied-7

Oregon

Tied-28

Pennsylvania Puerto Rico Rhode Island South Carolina South Dakota

2.5*

5

38

F (0%)

Tied-49 Tied-41 Tied-28 Tied-49

5* 10

2.5* 2.5*

F (7.5%) F (57.5%)

45

F (0%)

Tennessee

45

35

10 5* 10 10 10 10 10 5* 5*

5 5

A (95%) F (32.5%) C+ (77.5%)

Tied-7

Texas Utah

22.5*

35

45 45 45 45 45

17.5*

5 5 5 5 5 5 5

17

Vermont Virginia

5 5 5 5

D (65%)

Tied-18

17.5*

B- (82.5%) A+ (100%)

15

35

Tied-1

Washington West Virginia

D (65%) F (30%) F (10%)

Tied-18 Tied-36 Tied-39

Wisconsin Wyoming

17.5*

2.5*

14

*Partial credit as law only applies to certain drunk drivers

SCORE

LOCATION RECOMMENDED IMPROVEMENT

Arizona

Arkansas

Colorado

Monitor for loopholes that allow drunk drivers to avoid an ignition interlock

100/100

Maryland

Washington

Washington, D.C.

Connecticut

Delaware

Allow for interlock use upon revocation by eliminating any waiting period before a drunk driver can install the device.

Kansas

95/100

Oklahoma

For any suspected impaired driver who refuses a test, require the use of an interlock as a condition of any driving privileges granted during a license suspension

New Mexico

Tennessee

15

SCORE

LOCATION RECOMMENDED IMPROVEMENT

Enact a compliance-based removal law that extends a drunk driver’s use of an interlock when there are too many drunk driving attempts or other violations while utilizing the device. Allow for interlock use upon revocation by eliminating any waiting period before a drunk driver can install the device.

Alaska

85/100

Idaho

Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license.

82.5/100

Virginia

Allow for interlock use upon revocation by eliminating any waiting period before a drunk driver can install the device.

80/100

Louisiana

16

SCORE

LOCATION RECOMMENDED IMPROVEMENT

Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license. Allow for interlock use upon revocation by eliminating any waiting period before a drunk driver can install the device.

77.5/100

Utah

California volunteers, staff and legislators hold a press event to kick off the legislative season in 2026.

17

SCORE

LOCATION RECOMMENDED IMPROVEMENT

Hawaii

Illinois

Iowa

Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license.

Kentucky

65/100

Nevada

Vermont

West Virgina

New Jersey

62.5/100

Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license

Mississippi

60/100

New York

18

SCORE

LOCATION RECOMMENDED IMPROVEMENT

Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license. For any suspected impaired driver who refuses a test, require the use of an interlock as a condition of any driving privileges granted during a license suspension. Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license Allow for interlock use upon revocation by eliminating any waiting period before a drunk driver can install the device. Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license Enact a compliance-based removal law that extends a drunk driver’s use of an interlock when there are too many drunk driving attempts or other violations while utilizing the device. Close loopholes in the all-offender interlock law that allow most first-time offenders to avoid installing interlock.

57.5/100

South Carolina

New Hampshire

55/100

Oregon

52.5/100

Nebraska

45/100

Maine

40/100

Alabama

19

SCORE

LOCATION RECOMMENDED IMPROVEMENT

35/100

Missouri

Close loopholes in the all-offender interlock law that allow most first-time offenders to avoid installing interlock.

32.5/100

Texas

North Carolina

30/100

Wisconsin

12.5/100

Pennsylvania

Minnesota Wyoming

10/100

Enact an all-offender ignition interlock law to require all drunk drivers to use an interlock in order to drive during a license revocation or suspension. Eliminate the ability to wait out an interlock order by requiring convicted drunk drivers to use an ignition interlock before obtaining a regular license.

California Georgia Indiana Rhode Island Florida Massachusetts Michigan Ohio Montana North Dakota Puerto Rico South Dakota

7.5/100

5/100

0/100

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MADD’s Call to Action

Since 2006, MADD helped with the passage of hundreds of laws to improve state ignition interlock laws. However, there is still a lot of work to do. States must close loopholes in ignition interlock laws to maximize the lifesaving benefits of this technology. According to the National Highway Traffic Safety Administration, drunk driving deaths increased 17% from 2019 to 2024. States can take action now to ensure every convicted drunk driver uses this device. MADD calls on state lawmakers to ensure anyone convicted of a drunk driving offense must install an ignition interlock for at least six months before ever obtaining an unrestricted driver’s license. All states must remain vigilant to close any loopholes that allow convicted drunk drivers to avoid an interlock.

Drunk driving deaths increased 17% from 2019 to 2024.

MADD, advocates, and partners push for ignition interlock legislation in New York.

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MADD National Office 511 E. John Carpenter Freeway, Suite 200 Irving, Texas 75062

Contact us: madd.org

877.ASK.MADD 877.MADD.HELP

© 2026 Mothers Against Drunk Driving® Data up-to-date as of June 23, 2026

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