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 - - 7 6 10 8 6 1 1 - - 39
Ashland - - 3 4 2 4 5 - - - - 18
Barron - - 21 16 7 9 8 4 - - - 65
Bayfield - - 9 8 5 4 3 2 - 1 - 32
Brown - 1 65 93 47 32 20 5 3 1 - 267
Buffalo - - 3 6 4 3 - 2 - - - 18
Burnett - - 14 8 6 3 4 - - - 2 37
Calumet - - 14 13 6 8 1 1 1 - - 44
Chippewa - - 27 25 16 8 11 1 1 - - 89
Clark - - 11 11 7 8 6 2 - - - 45
Columbia - - 15 18 19 14 9 4 - - - 79
Crawford - - 4 12 4 1 4 1 - - - 26
Dane - 1 146 227 108 76 67 20 4 - 1 650
Dodge - - 20 48 25 9 6 3 1 - - 112
Door - - 11 10 10 6 2 2 1 - - 42
Douglas - - 11 17 7 10 9 2 - - - 56
Dunn - - 14 19 12 16 5 - - - - 66
Eau Claire - - 47 41 26 16 13 2 - - 1 146
Florence - - 1 2 2 1 2 - - 1 - 9
Fond du Lac - - 35 32 24 21 14 5 2 1 1 135
Forest - - 5 3 3 2 3 - - - - 16
Grant - - 17 18 10 5 4 1 - - - 55
Green - - 13 11 6 9 7 4 1 - - 51
Green Lake - - 3 7 4 2 2 2 1 - - 21
Iowa - - 9 13 8 5 5 1 - - - 41
Iron - - 2 3 2 4 1 - - - - 12
Jackson - - 7 10 3 5 3 1 - - - 29
Jefferson - - 38 43 22 15 11 5 - - - 134
Juneau - - 15 19 6 7 3 3 - - - 53
Kenosha - - 46 97 34 35 26 6 2 - - 246
Kewaunee - - 3 6 3 3 4 - - - - 19
La Crosse - - 49 55 25 25 24 6 1 - - 185
Lafayette - - 8 10 7 4 4 - - - - 33
Langlade - - 4 9 2 4 6 2 - - - 27
Lincoln - - 12 9 11 6 2 1 1 - - 42
Manitowoc - - 17 22 21 12 10 5 2 - - 89
Marathon - - 31 55 28 19 12 9 1 1 - 156
Marinette - - 16 23 25 10 12 6 - - - 92
Marquette - - 5 3 7 9 4 2 1 - - 31
Menominee - - 1 - 1 1 - - - - - 3
Milwaukee - - 238 409 239 189 125 41 5 - - 1,246
Monroe - - 27 24 7 17 3 3 1 - - 82
Oconto - - 12 6 8 9 5 1 1 - - 42
Oneida - - 14 23 13 12 9 3 1 - - 75
Outagamie - - 36 68 39 27 21 6 1 - - 198
Ozaukee - - 14 29 14 15 6 2 2 - - 82
Pepin - - 1 - 2 3 5 - - - - 11
Pierce - - 11 21 12 11 3 - - - - 58
Polk - - 26 23 16 12 14 4 - - - 95
Portage - - 25 24 18 12 3 2 - - - 84
Price - - 5 3 1 5 2 - - - - 16
Racine - - 41 90 46 34 39 11 1 - - 262
Richland - - 5 7 2 7 1 - - - - 22
Rock - - 60 103 49 34 22 8 1 - - 277
Rusk - - 8 10 5 1 4 2 - - - 30
Sauk - - 35 37 36 12 5 1 1 - - 127
Sawyer - - 9 11 4 4 2 - - - - 30
Shawano - - 26 22 12 11 8 2 1 - - 82
Sheboygan - - 43 48 26 24 15 2 1 - 1 160
St. Croix - - 26 34 33 17 13 5 1 - - 129
Taylor - - 9 13 3 2 2 - - - - 29
Trempealeau - - 12 19 8 8 6 - 3 - - 56
Vernon - - 4 12 9 9 2 1 - - - 37
Vilas - - 6 12 11 4 8 2 - - - 43
Walworth - - 47 56 27 18 11 5 3 - - 167
Washburn - - 3 8 3 6 5 1 - - - 26
Washington - - 42 40 43 28 20 3 - - - 176
Waukesha - - 59 98 71 43 51 18 2 1 - 343
Waupaca - - 18 32 14 10 9 2 - 1 - 86
Waushara - - 13 11 5 6 5 - 3 - - 43
Winnebago - - 56 54 33 30 20 11 4 - - 208
Wood - - 18 21 15 9 7 4 3 - - 77
Total - 2 1,728 2,400 1,399 1,068 789 251 59 7 6 7,709
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 U
0-4 - - - - - - - - - - - -
5-14 - - - - - 1 - - - 1 - 2
15-24 6 23 22 83 68 230 46 111 302 837 - 1,728
25-34 2 27 36 116 86 275 61 178 449 1,170 - 2,400
35-44 1 12 25 88 47 152 37 81 270 686 - 1,399
45-54 3 18 18 64 46 111 25 61 202 520 - 1,068
55-64 3 16 13 44 28 103 17 46 131 388 - 789
65-74 1 - 2 14 7 30 6 15 38 138 - 251
75-84 - - - 2 2 6 1 6 9 33 - 59
85+ - - - 1 1 2 - - 1 2 - 7
Unknown - - - - - - - 1 - 4 1 6
Total 16 96 116 412 285 910 193 499 1,402 3,779 1 7,709
M = Male F = Female U = Unknown.
Impaired Drivers by Vehicle Type
County Fatal Injury Property Damage Total
Passenger Car 91 1,684 2,812 4,587
(Sport) Utility Vehicle 26 551 829 1,406
Utility Truck/Pickup Truck 25 451 750 1,226
Motorcycle 20 185 9 214
Passenger Van 2 85 106 193
Cargo Van (10,000 Lbs or Less) 1 9 17 27
Truck Tractor (Trailer Attached) - 5 14 19
Straight Truck - 3 12 15
Moped - 9 1 10
Farm Tractor/Self Propelled - 1 2 3
Snowmobile - 2 1 3
ATV/UTV (Utility Terrain Vehicle) - 2 - 2
AgCMV (Ag Commercial Motor Vehicle) - 1 - 1
Mini Bike/Dirt Bike - 1 - 1
Motor Home - - 1 1
Truck Tractor (Trailer Not Attached) - - 1 1
Total 165 2,989 4,555 7,709
Drinking Rates by Vehicle Type/Role
Role Incidence of Drug/Alcohol Impairment in a Crash Drinking Rate*
Driver of a Passenger Vehicle 7,439 35
Driver of a Motorcycle/Moped 224 107
Other 11 5
Driver of a CMV 35 4
Driver of a School Bus - -
Bicycle 23 27
Pedestrian 124 79
*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 - 12 12
10-14 2 88 90
15-19 356 21,282 21,638
20-24 1,372 24,706 26,078
25-29 1,317 22,270 23,587
30-34 1,083 19,222 20,305
35-39 852 17,352 18,204
40-44 547 14,674 15,221
45-49 568 14,799 15,367
50-54 500 14,899 15,399
55-59 479 15,081 15,560
60-64 310 12,549 12,859
65-69 168 9,160 9,328
70+ 149 15,591 15,740
Unknown age group was removed.
Drug Use of the Driver
Drug Type Fatal Injury Property Damage Total
CNS Stimulant 9 9 5 23
Cannabis 23 18 24 65
Central Nervous System (CNS) Depressant 2 6 3 11
Dissociatives Anti. - 2 - 2
Hallucingens 1 1 2 4
Inhalants - 1 - 1
Narcotic Analgesics - 14 2 16
Other 8 15 5 28
Phencyclidine - 1 - 1
Steroids - 1 - 1
Total 43 68 41 152
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 1 17 21 39 1 25
Ashland - 5 13 18 - 5
Barron 2 32 31 65 2 46
Bayfield - 15 17 32 - 20
Brown 6 100 157 263 7 128
Buffalo 1 8 9 18 1 9
Burnett 1 17 19 37 1 22
Calumet 3 15 26 44 3 25
Chippewa 3 32 52 87 7 45
Clark 1 20 24 45 1 24
Columbia 3 20 55 78 5 53
Crawford 1 13 12 26 1 16
Dane 13 233 397 643 13 321
Dodge 5 58 49 112 6 69
Door 1 18 23 42 1 23
Douglas 1 30 25 56 1 46
Dunn 4 25 36 65 4 31
Eau Claire 4 41 99 144 4 51
Florence - 2 7 9 - 2
Fond du Lac 3 45 87 135 4 55
Forest 1 6 9 16 1 12
Grant 1 24 30 55 1 33
Green 2 25 24 51 2 33
Green Lake - 10 11 21 - 10
Iowa 1 20 19 40 1 23
Iron 1 4 6 11 1 5
Jackson 1 14 14 29 1 20
Jefferson 5 48 79 132 6 63
Juneau 1 17 31 49 2 20
Kenosha 4 99 139 242 5 156
Kewaunee - 8 11 19 - 9
La Crosse 2 50 131 183 2 64
Lafayette 1 17 15 33 1 18
Langlade - 9 18 27 - 13
Lincoln 1 18 22 41 1 26
Manitowoc 2 41 46 89 2 59
Marathon 3 50 98 151 3 62
Marinette 3 29 54 86 3 37
Marquette 1 18 12 31 1 21
Menominee - 2 1 3 - 3
Milwaukee 18 477 733 1,228 22 687
Monroe 1 29 52 82 1 41
Oconto 3 20 19 42 3 30
Oneida 2 25 48 75 2 28
Outagamie 2 73 119 194 2 98
Ozaukee 2 30 49 81 2 44
Pepin 1 6 4 11 1 8
Pierce - 23 35 58 - 28
Polk 3 42 48 93 4 54
Portage 1 32 51 84 1 39
Price - 6 10 16 - 7
Racine 5 110 144 259 6 162
Richland - 5 17 22 - 5
Rock 7 107 162 276 7 148
Rusk 1 12 14 27 1 16
Sauk 3 41 78 122 3 53
Sawyer 1 17 11 29 1 24
Shawano 1 40 40 81 1 48
Sheboygan 1 53 103 157 2 70
St. Croix 4 43 82 129 5 55
Taylor 2 10 17 29 4 12
Trempealeau - 14 42 56 - 16
Vernon 2 13 20 35 2 19
Vilas 2 19 22 43 2 30
Walworth - 77 88 165 - 106
Washburn - 17 9 26 - 25
Washington 2 71 102 175 2 93
Waukesha 5 111 216 332 5 147
Waupaca 1 39 45 85 1 46
Waushara 1 16 26 43 1 22
Winnebago 2 80 124 206 2 106
Wood - 27 50 77 - 31
Total 156 2,940 4,509 7,605 178 4,001
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 - - - 1 - - - 5 5 7 - - 4 3 14 39
Ashland - - - - - - 1 1 1 2 - 4 4 1 4 18
Barron - - - 1 1 - 7 2 9 14 - 5 2 12 12 65
Bayfield - - - - - - 4 1 6 4 - - 4 3 10 32
Brown - - 1 3 2 5 6 20 15 54 23 10 25 24 75 263
Buffalo - - - 1 - - - 6 1 1 - - 1 5 3 18
Burnett - - 1 - - - - 7 5 5 - - 5 4 10 37
Calumet - - 1 2 - - 1 5 3 6 - 4 4 5 13 44
Chippewa - - - 3 - - 1 10 10 11 - 3 10 14 25 87
Clark - - - - 1 - 4 6 - 10 - 1 6 7 10 45
Columbia - - 3 - - 3 3 4 4 6 8 3 12 13 19 78
Crawford - - - 1 - - 2 4 - 7 - 1 3 2 6 26
Dane 2 4 1 3 3 22 59 12 36 104 24 75 20 49 229 643
Dodge - - 2 2 1 2 6 16 18 16 1 2 12 6 28 112
Door - - - - 1 - - 3 8 7 - - 9 3 11 42
Douglas - - - 1 - - 8 3 6 13 - 1 4 7 13 56
Dunn - - 4 - - 3 2 5 10 5 4 1 5 6 20 65
Eau Claire - 2 - 2 - - 7 3 9 22 3 9 9 12 66 144
Florence - - - - - - - 1 - 1 - 1 - 2 4 9
Fond du Lac - 1 - 2 - 2 6 10 9 18 8 12 5 15 47 135
Forest - - - 1 - - - 3 1 2 - 1 5 1 2 16
Grant - - - 1 - - 1 8 9 6 - 9 9 4 8 55
Green - - 2 - - - - 6 10 9 - - 9 7 8 51
Green Lake - - - - - - - 2 4 4 - - 2 1 8 21
Iowa - - - 1 - - 5 5 7 3 - 1 1 11 6 40
Iron - 1 - - - - 1 - 1 2 - 1 3 - 2 11
Jackson - - - 1 - 1 2 6 3 2 2 - 3 3 6 29
Jefferson - 2 1 - 2 3 4 8 12 21 7 5 17 15 35 132
Juneau - 1 - - - 4 1 4 7 1 1 3 6 5 16 49
Kenosha - - - 3 1 4 3 21 24 47 6 2 32 22 77 242
Kewaunee - - - - - - - 3 3 2 - - 2 7 2 19
La Crosse 1 - 1 - - - 7 12 7 24 1 21 21 16 72 183
Lafayette - - - 1 - - - 9 5 3 - - 4 4 7 33
Langlade - - - - - - 1 3 2 3 - 5 2 2 9 27
Lincoln - - - 1 - - 3 4 6 5 - 1 7 7 7 41
Manitowoc - 1 1 - - 6 1 2 10 22 3 6 2 6 29 89
Marathon 1 - 1 1 - - 3 12 14 21 3 11 13 15 56 151
Marinette - - - 3 - - 8 3 8 10 - 12 2 13 27 86
Marquette - - - - 1 - - 8 4 6 2 - 4 3 3 31
Menominee - - - - - - - - - 2 - - 1 - - 3
Milwaukee 1 - 3 - 14 61 4 81 29 302 105 12 105 25 486 1,228
Monroe - - - - 1 3 - 9 6 11 5 5 8 8 26 82
Oconto - 2 - - 1 - 3 2 9 6 - 3 1 4 11 42
Oneida - 1 - - 1 - 6 2 6 11 - 3 - 10 35 75
Outagamie 1 - 1 - - 8 1 14 17 33 9 - 21 21 68 194
Ozaukee - - 2 - - 6 - 3 6 15 10 - 10 7 22 81
Pepin - - 1 - - - 1 1 3 1 - 2 - - 2 11
Pierce - - - - - - 3 7 8 5 - 8 6 12 9 58
Polk - 1 1 1 - - - 12 13 17 - 1 11 11 25 93
Portage - - - - 1 4 3 3 11 11 2 2 11 12 24 84
Price - - - - - - 1 2 1 2 - - 4 2 4 16
Racine - - 1 2 2 2 1 26 21 60 7 1 37 15 84 259
Richland - - - - - - - 2 2 1 - 5 5 3 4 22
Rock - - 2 1 4 10 14 8 12 63 11 14 21 15 101 276
Rusk - 1 - - - - 1 4 4 3 - 3 2 3 6 27
Sauk - 1 1 - 1 3 2 10 6 20 5 10 13 11 39 122
Sawyer - - 1 - - - 1 5 9 2 - 1 1 2 7 29
Shawano - - 1 - - - 2 13 13 12 - - 10 11 19 81
Sheboygan - - - - 1 3 - 10 22 18 7 - 15 21 60 157
St. Croix - - 2 2 - 4 2 8 10 19 11 3 12 14 42 129
Taylor - - - 1 1 - - 3 5 2 - - 1 8 8 29
Trempealeau - - - - - - 2 3 5 4 - 4 14 7 17 56
Vernon - - 1 1 - - 2 1 6 4 - 3 8 4 5 35
Vilas - 1 - 1 - - 3 6 2 8 - 6 8 3 5 43
Walworth - - - - - 3 11 15 18 30 3 8 13 14 50 165
Washburn - - - - - - 5 1 4 7 - 1 - 1 7 26
Washington 1 - - - 1 8 4 12 13 34 15 3 17 10 57 175
Waukesha 1 - - 2 2 13 3 19 27 49 22 2 23 58 111 332
Waupaca - - - 1 - - 5 9 9 16 - 2 8 14 21 85
Waushara - - 1 - - 1 - 3 9 3 1 - 8 4 13 43
Winnebago - 1 - 1 - 11 10 10 8 41 6 11 18 12 77 206
Wood - - - - - - - 7 7 13 - - 16 7 27 77
Total 8 20 37 48 43 195 247 554 613 1,331 315 323 716 684 2,471 7,605
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 157 59 38 48 70 71 121 564
1am 172 57 40 42 50 80 148 589
2am 245 53 32 49 60 70 203 712
3am 114 28 15 23 22 27 115 344
4am 73 25 10 15 16 18 40 197
5am 38 13 6 13 8 10 32 120
6am 23 13 8 6 4 13 19 86
7am 27 6 11 11 23 16 17 111
8am 11 13 12 8 12 7 13 76
9am 17 14 13 16 12 12 18 102
10am 27 7 13 16 15 17 19 114
11am 26 15 15 20 17 17 28 138
12pm 24 24 16 11 21 26 28 150
1pm 23 20 17 19 20 29 21 149
2pm 43 28 19 20 26 32 39 207
3pm 55 29 34 32 34 30 43 257
4pm 50 42 28 35 38 58 60 311
5pm 78 56 61 36 41 63 85 420
6pm 87 71 32 65 49 83 86 473
7pm 81 56 45 58 54 67 82 443
8pm 76 53 62 45 47 80 92 455
9pm 68 59 52 72 70 101 112 534
10pm 54 51 63 57 64 103 124 516
11pm 68 42 42 58 58 80 128 476
Unk. 19 6 3 3 4 9 17 61