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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