5  Impaired Driving Crashes

Note

Impaired driving includes both drug and alcohol impairment. Impairment is determined by if a driver was suspected by law enforcement of alcohol or drug use or if a drug/alcohol-related citation was issued.

5.1 Impaired Drivers

Note

This sub-section only includes drivers, not passengers or others involved in the crash.

Impaired Drivers by County and Age Group
County 0-4 5-14 15-24 25-34 35-44 45-54 55-64 65-74 75-84 85+ Unknown Total
Adams - - 4 9 6 5 4 2 1 - - 31
Ashland - - 8 7 4 - 1 1 - - - 21
Barron - - 13 15 24 8 7 4 - - - 71
Bayfield - - 5 8 9 5 4 - - - - 31
Brown - 1 79 94 45 24 23 9 1 1 - 277
Buffalo - - 4 10 3 4 4 - - - - 25
Burnett - - 8 12 13 5 5 2 - - - 45
Calumet - - 9 13 7 4 4 2 - - - 39
Chippewa - - 16 31 26 12 9 3 - - - 97
Clark - 1 8 15 4 9 3 2 1 - - 43
Columbia - - 22 37 29 15 11 6 2 - - 122
Crawford - - 7 8 4 1 8 2 2 - - 32
Dane - - 139 193 115 72 46 13 5 1 1 585
Dodge - - 22 33 32 16 5 6 - - - 114
Door - - 10 11 8 3 5 2 - - - 39
Douglas - - 16 23 12 8 9 3 - - - 71
Dunn - - 16 32 23 8 2 - - - - 81
Eau Claire - - 36 47 30 16 8 2 3 - - 142
Florence - - 1 3 4 3 1 - - - - 12
Fond du Lac - - 35 58 28 19 14 10 2 - - 166
Forest - - 4 6 4 4 1 - - - - 19
Grant - - 14 28 13 4 10 6 - - - 75
Green - - 10 15 6 7 5 - - - - 43
Green Lake - - 2 4 9 2 9 - 2 - - 28
Iowa - - 11 15 14 5 5 4 - - - 54
Iron - - - 4 2 2 - 2 - - - 10
Jackson - - 4 15 8 4 3 1 - - - 35
Jefferson - - 24 38 24 11 11 1 - - 1 110
Juneau - - 16 13 19 6 5 2 1 - - 62
Kenosha - - 59 104 58 37 19 6 - - - 283
Kewaunee - - 7 8 8 4 - - - - - 27
La Crosse - - 42 42 22 19 12 5 - - - 142
Lafayette - - 6 16 4 2 - - - - - 28
Langlade - - 12 14 6 5 5 3 - - - 45
Lincoln - - 5 17 3 4 5 1 - - - 35
Manitowoc - - 21 31 20 13 9 9 - - - 103
Marathon - - 34 59 33 19 14 3 2 - - 164
Marinette - - 12 24 16 7 3 4 1 - - 67
Marquette - - 1 5 8 2 3 1 - - - 20
Menominee - - - 1 1 - 2 - - - - 4
Milwaukee - - 209 436 285 165 109 37 8 - - 1,249
Monroe - - 16 20 14 7 5 - - - - 62
Oconto - - 18 27 8 11 6 1 1 - - 72
Oneida - - 12 23 18 11 12 3 - - - 79
Outagamie - - 56 70 42 17 18 5 1 - - 209
Ozaukee - - 13 27 25 10 19 6 - - - 100
Pepin - - 1 2 1 1 2 - - - - 7
Pierce - - 14 19 18 5 9 1 - - - 66
Polk - - 21 20 18 12 11 2 1 - - 85
Portage - - 34 30 27 19 8 5 - - - 123
Price - - 4 5 4 2 3 - - - - 18
Racine - 1 57 82 59 41 31 9 1 1 - 282
Richland - - 3 5 4 3 4 1 1 - - 21
Rock - - 67 106 58 46 28 5 1 - - 311
Rusk - - 6 5 7 1 3 1 - - - 23
Sauk - - 35 42 23 14 10 3 - - - 127
Sawyer - - 5 17 3 7 1 3 1 - - 37
Shawano - - 15 26 11 15 9 6 - 1 - 83
Sheboygan - - 40 47 41 15 13 6 2 - - 164
St. Croix - - 34 33 36 21 9 4 - - - 137
Taylor - - 7 6 7 5 2 1 - - - 28
Trempealeau - - 6 15 3 2 3 3 1 - - 33
Vernon - - 11 8 8 6 2 5 - - - 40
Vilas - - 11 15 19 11 9 2 1 - - 68
Walworth - - 34 55 22 24 13 13 6 1 - 168
Washburn - - 5 6 7 6 3 - - - - 27
Washington - - 30 56 44 18 28 8 1 - - 185
Waukesha - - 57 113 74 43 34 11 5 - - 337
Waupaca - - 20 21 23 9 9 5 1 - 1 89
Waushara - - 12 13 8 8 5 - - - - 46
Winnebago - 1 35 66 46 24 16 2 1 - - 191
Wood - - 12 21 13 16 11 2 2 - - 77
Total - 4 1,642 2,555 1,680 989 739 267 58 5 3 7,942
Impaired Drivers by Age Group and Gender
County Fatal Injury Suspected Serious Injury Suspected Minor Injury Possible Injury No Apparent Injury Total
F M F M F M F M F M
0-4 - - - - - - - - - - -
5-14 - - - - - - - - 2 2 4
15-24 2 17 25 82 66 194 45 96 304 811 1,642
25-34 9 30 40 150 103 285 68 147 445 1,278 2,555
35-44 3 20 30 89 68 193 45 110 317 805 1,680
45-54 5 19 19 58 32 93 23 52 195 493 989
55-64 - 12 7 44 21 88 14 44 130 379 739
65-74 - 10 3 13 3 28 8 19 43 140 267
75-84 - 1 1 4 2 6 - 6 12 26 58
85+ - - - - - 1 - 1 1 2 5
Unknown - - - - - - - - 1 2 3
Total 19 109 125 440 295 888 203 475 1,450 3,938 7,942
M = Male F = Female U = Unknown.
Impaired Drivers by Vehicle Type
County Fatal Injury Property Damage Total
Passenger Car 69 1,567 2,731 4,367
(Sport) Utility Vehicle 30 654 1,084 1,768
Utility Truck/Pickup Truck 30 467 820 1,317
Motorcycle 38 163 12 213
Passenger Van 5 70 113 188
Cargo Van (10,000 Lbs or Less) - 8 13 21
Straight Truck - 2 18 20
Moped - 15 2 17
Truck Tractor (Trailer Attached) 1 4 9 14
AgCMV (Ag Commercial Motor Vehicle) - 1 2 3
ATV/UTV (Utility Terrain Vehicle) - 2 - 2
Motor Home - 1 1 2
Snowmobile - 2 - 2
Farm Tractor/Self Propelled - 1 - 1
Low Speed Vehicle - - 1 1
Mini Bike/Dirt Bike 1 - - 1
Miscellaneous - 1 - 1
Motor Coach - - 1 1
Other Working Machine - 1 - 1
School Bus - - 1 1
Truck Tractor (More Than One Trailer) - - 1 1
Total 174 2,959 4,809 7,942
Drinking Rates by Vehicle Type/Role
Role Incidence of Drug/Alcohol Impairment in a Crash Drinking Rate*
Driver of a Passenger Vehicle 7,661 41
Driver of a Motorcycle/Moped 230 105
Driver of a School Bus 1 3
Other 15 8
Driver of a CMV 35 5
Bicycle - -
Bicycle 19 27
Pedestrian 111 78
*Drinking rate = the portion of drivers, pedestrians or bicyclists who were suspected and/or cited for drug/alcohol impairment per 1,000 drivers, pedestrians or bicyclists in a crash.
Impaired verse Non-Impaired Drivers by Age Group
Age Group Impaired Driver Non-Impaired Driver Total
0-4 - - -
5-9 - 11 11
10-14 4 170 174
15-19 362 20,079 20,441
20-24 1,280 21,687 22,967
25-29 1,313 18,484 19,797
30-34 1,242 16,531 17,773
35-39 984 14,916 15,900
40-44 696 13,188 13,884
45-49 509 11,347 11,856
50-54 480 11,800 12,280
55-59 440 11,818 12,258
60-64 299 10,898 11,197
65-69 167 7,932 8,099
70+ 163 13,982 14,145
Unknown age group was removed.
Drug Use of the Driver
Drug Type Fatal Injury Property Damage Total
CNS Stimulant 7 12 16 35
Cannabis 13 19 30 62
Central Nervous System (CNS) Depressant 2 14 8 24
Hallucingens - - 2 2
Inhalants 1 1 - 2
Narcotic Analgesics 2 6 18 26
Other 5 5 5 15
Total 30 57 79 166
This table counts drugs noted on the crash report, not drivers. A driver may have used more than one drug

5.2 Impaired Driving Crashes

Impaired Driving Crashes by County and Persons Injured/Killed
County Fatal Injury Property Damage Total Crashes Persons Killed Persons Injured
Adams - 14 17 31 - 18
Ashland - 8 13 21 - 11
Barron 4 27 37 68 4 39
Bayfield - 14 17 31 - 14
Brown 1 113 157 271 2 144
Buffalo - 10 15 25 - 15
Burnett 3 17 25 45 3 23
Calumet 1 16 22 39 1 22
Chippewa 1 34 59 94 1 36
Clark 1 18 23 42 1 23
Columbia 4 44 73 121 5 55
Crawford - 10 22 32 - 14
Dane 16 206 357 579 20 287
Dodge 1 55 55 111 1 70
Door - 20 18 38 - 23
Douglas 2 23 46 71 2 31
Dunn 3 34 38 75 3 51
Eau Claire - 52 88 140 - 68
Florence 1 6 5 12 1 7
Fond du Lac 2 54 108 164 2 79
Forest - 7 12 19 - 7
Grant 2 28 45 75 2 41
Green 2 19 22 43 2 23
Green Lake 1 7 20 28 1 10
Iowa 1 18 34 53 1 25
Iron - 2 8 10 - 3
Jackson 1 12 20 33 1 15
Jefferson - 36 74 110 - 40
Juneau 1 23 37 61 1 24
Kenosha 4 105 169 278 4 148
Kewaunee - 13 12 25 - 17
La Crosse 2 46 94 142 2 58
Lafayette 1 10 17 28 1 12
Langlade 1 16 28 45 1 27
Lincoln 2 10 23 35 2 10
Manitowoc 5 46 52 103 5 60
Marathon 7 59 94 160 8 77
Marinette 2 31 34 67 2 34
Marquette 2 5 13 20 3 7
Menominee 1 2 1 4 1 2
Milwaukee 15 441 776 1,232 15 599
Monroe 3 24 34 61 4 36
Oconto 4 34 33 71 4 44
Oneida 2 23 51 76 2 31
Outagamie 5 61 141 207 5 91
Ozaukee 1 34 63 98 1 38
Pepin 1 2 4 7 1 3
Pierce 4 22 39 65 4 24
Polk 1 40 43 84 1 51
Portage 5 39 75 119 6 49
Price - 10 8 18 - 11
Racine 3 115 155 273 3 176
Richland 1 8 11 20 1 15
Rock 9 117 181 307 9 166
Rusk 1 7 15 23 1 8
Sauk 5 39 82 126 7 70
Sawyer 2 20 14 36 2 28
Shawano 3 31 45 79 3 38
Sheboygan 4 54 104 162 4 77
St. Croix 2 43 92 137 2 61
Taylor 2 12 14 28 2 23
Trempealeau 1 14 18 33 1 22
Vernon 2 16 22 40 2 25
Vilas - 30 37 67 - 32
Walworth 3 63 99 165 3 83
Washburn 1 15 11 27 1 23
Washington 3 61 120 184 3 79
Waukesha 5 102 222 329 6 135
Waupaca 3 29 57 89 3 40
Waushara 1 16 29 46 1 20
Winnebago 4 65 121 190 4 85
Wood - 31 44 75 - 44
Total 171 2,888 4,764 7,823 184 3,897
Impaired Driving Crashes by County and Highway Class
County Fatal Injury Property Damage Total
IH US State Cnty Local IH US State Cnty Local IH US State Cnty Local
Adams - - - - - - - 5 5 4 - - 2 7 8 31
Ashland - - - - - - 1 2 1 4 - 2 2 - 9 21
Barron - - 1 3 - - 4 2 9 12 - 7 1 9 20 68
Bayfield - - - - - - 3 3 5 3 - 4 5 5 3 31
Brown - - - - 1 9 5 20 20 59 9 9 25 23 91 271
Buffalo - - - - - - - 2 6 2 - 1 7 2 5 25
Burnett - - 1 2 - - - 6 7 4 - - 8 8 9 45
Calumet - - 1 - - - 3 3 3 7 - 2 6 3 11 39
Chippewa - - - - 1 - 3 7 8 16 - 6 10 15 28 94
Clark - - - 1 - - 1 3 7 7 - 1 3 4 15 42
Columbia 1 - 2 1 - 8 5 17 7 7 18 1 13 13 28 121
Crawford - - - - - - 3 4 2 1 - 3 9 2 8 32
Dane 1 5 1 3 6 12 47 15 39 93 24 59 22 40 212 579
Dodge - - - - 1 2 5 14 20 14 1 6 14 6 28 111
Door - - - - - - - 6 3 11 - - 2 8 8 38
Douglas - - 1 1 - - 4 2 7 10 1 7 5 5 28 71
Dunn - 1 1 1 - 7 3 10 6 8 6 2 11 5 14 75
Eau Claire - - - - - 3 14 4 8 23 5 11 8 9 55 140
Florence - - 1 - - - 1 1 4 - - 2 - 2 1 12
Fond du Lac - 1 - - 1 3 9 4 16 22 9 12 5 19 63 164
Forest - - - - - - - 3 2 2 - - 3 3 6 19
Grant - - 1 - 1 - 10 2 6 10 - 9 8 5 23 75
Green - - 1 1 - - - 4 5 10 - - 5 5 12 43
Green Lake - - 1 - - - - 2 3 2 - - 6 4 10 28
Iowa - - 1 - - - 4 4 5 5 - 6 5 8 15 53
Iron - - - - - - 1 - - 1 - 4 1 1 2 10
Jackson - - - - 1 1 3 3 3 2 1 1 3 6 9 33
Jefferson - - - - - 4 2 6 9 15 5 5 18 13 33 110
Juneau - - - 1 - - 5 1 6 11 8 1 5 7 16 61
Kenosha - - 1 2 1 5 1 28 28 43 8 1 39 30 91 278
Kewaunee - - - - - - - 2 6 5 - - 2 6 4 25
La Crosse - - - 1 1 - 14 9 5 18 1 13 21 16 43 142
Lafayette - - - 1 - - - 3 6 1 - - 6 3 8 28
Langlade - - - 1 - - 1 1 8 6 - 5 4 4 15 45
Lincoln - - - 1 1 - 1 1 1 7 - - 7 5 11 35
Manitowoc 2 - - 3 - 4 5 7 10 20 1 2 4 15 30 103
Marathon 1 - 4 2 - 3 4 9 20 23 - 3 27 8 56 160
Marinette - 1 - 1 - - 4 3 13 11 - 5 3 6 20 67
Marquette - - - 1 1 1 - 1 2 1 2 - 3 4 4 20
Menominee - - 1 - - - - - 2 - - - 1 - - 4
Milwaukee - 1 4 1 9 79 3 87 24 248 120 6 133 44 473 1,232
Monroe 3 - - - - 2 2 6 3 11 3 2 8 1 20 61
Oconto - - 2 2 - - 6 4 13 11 - 5 9 5 14 71
Oneida - 1 - - 1 - 1 2 4 16 - 6 4 9 32 76
Outagamie - - - 3 2 4 1 9 15 32 11 - 34 22 74 207
Ozaukee 1 - - - - 6 - 3 13 12 14 - 15 6 28 98
Pepin - - - 1 - - - - 1 1 - - 2 - 2 7
Pierce - 1 2 1 - - 2 7 4 9 - 3 10 5 21 65
Polk - - - - 1 - 7 9 10 14 - 3 10 11 19 84
Portage - 2 - - 3 1 2 7 10 19 2 3 10 14 46 119
Price - - - - - - 3 3 1 3 - 1 1 1 5 18
Racine - - - - 3 9 2 25 14 65 9 1 42 7 96 273
Richland - - 1 - - - - 4 3 1 - 1 3 2 5 20
Rock 1 2 2 1 3 12 14 21 16 54 14 22 27 14 104 307
Rusk - 1 - - - - - - 4 3 - - 1 4 10 23
Sauk - - 2 3 - 5 4 3 12 15 8 8 8 11 47 126
Sawyer - - - 2 - - - 2 12 6 - - 1 3 10 36
Shawano - - - 1 2 - 2 7 11 11 - - 11 13 21 79
Sheboygan 1 - 1 1 1 3 - 20 13 18 5 - 24 13 62 162
St. Croix 1 - - 1 - 3 5 9 10 16 10 8 19 9 46 137
Taylor - - - 2 - - - 2 7 3 - - 7 2 5 28
Trempealeau - 1 - - - - 1 4 3 6 - - 6 3 9 33
Vernon - 1 - - 1 - 1 7 6 2 - 3 10 1 8 40
Vilas - - - - - - 5 8 7 10 - 5 9 4 19 67
Walworth - 1 1 1 - 2 9 10 14 28 5 5 18 15 56 165
Washburn - - - 1 - - 5 1 4 5 - 2 2 2 5 27
Washington - 1 1 - 1 11 3 13 12 22 11 4 25 14 66 184
Waukesha 1 - 1 2 1 14 4 12 22 50 37 7 28 49 101 329
Waupaca - - 1 1 1 - 8 3 6 12 - 7 16 11 23 89
Waushara - - 1 - - - - 5 5 6 2 - 9 10 8 46
Winnebago - - 3 - 1 4 7 11 15 28 9 8 19 13 72 190
Wood - - - - - - - 8 4 19 - 1 11 3 29 75
Total 13 20 41 51 46 217 263 531 621 1,256 359 301 861 655 2,588 7,823
Cnty = County Highway, IH = Interstate Highway.
Impaired Driving Crashes by Time of Day and Day
Time Sun Mon Tue Wed Thu Fri Sat Total
12am 137 50 33 46 47 90 121 524
1am 155 49 38 48 57 89 134 570
2am 221 54 41 37 46 92 197 688
3am 98 16 28 17 21 40 119 339
4am 56 17 8 10 7 15 55 168
5am 44 12 8 10 11 14 32 131
6am 16 8 7 11 10 13 16 81
7am 23 15 8 13 16 9 15 99
8am 17 18 10 5 10 17 18 95
9am 13 12 19 11 7 13 15 90
10am 15 13 14 10 8 13 21 94
11am 20 25 20 15 13 26 29 148
12pm 14 19 27 14 26 19 21 140
1pm 14 24 22 25 25 17 31 158
2pm 32 25 21 25 33 31 36 203
3pm 52 31 35 37 27 37 50 269
4pm 49 41 40 57 44 59 57 347
5pm 60 58 51 46 38 54 72 379
6pm 93 43 48 47 59 78 106 474
7pm 92 52 34 48 58 65 118 467
8pm 82 35 59 44 67 92 98 477
9pm 80 60 46 68 83 102 109 548
10pm 71 44 57 59 92 111 150 584
11pm 55 41 49 47 60 114 123 489
Unk. 63 22 25 22 22 42 65 261