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 - - 8 12 8 3 7 2 1 - - 41
Ashland - - - 9 2 4 - - - - - 15
Barron - - 16 13 7 3 5 2 - - - 46
Bayfield - - 7 2 10 3 4 - - - - 26
Brown - - 50 83 47 27 22 6 1 - - 236
Buffalo - - 4 6 3 6 1 1 - - - 21
Burnett - - 4 6 6 4 7 1 1 - 1 30
Calumet - - 9 17 7 5 3 1 - - - 42
Chippewa - - 15 27 11 16 6 4 - - - 79
Clark - - 15 6 2 6 6 1 - - - 36
Columbia - - 20 30 12 19 9 2 1 - - 93
Crawford - - 2 7 3 4 6 - 1 - - 23
Dane - 2 137 202 133 65 63 16 3 1 1 623
Dodge - - 25 21 19 9 9 1 - - 1 85
Door - - 7 21 9 5 7 2 1 - - 52
Douglas - - 14 19 20 10 9 2 1 - - 75
Dunn - - 10 18 11 10 6 3 - - - 58
Eau Claire - - 37 47 27 13 9 9 1 - - 143
Florence - - 3 - 2 - 1 1 - - - 7
Fond du Lac - - 34 39 26 16 17 5 1 1 1 140
Forest - - 5 7 1 4 - - - - - 17
Grant - - 19 21 7 9 2 4 - - - 62
Green - - 18 22 8 11 7 3 1 - - 70
Green Lake - - 3 6 3 5 1 1 - 1 - 20
Iowa - - 9 15 6 4 3 - - - - 37
Iron - - - 8 1 4 - 1 - - - 14
Jackson - - 9 9 6 7 3 1 - - - 35
Jefferson - 1 20 43 19 16 7 2 1 - - 109
Juneau - - 12 17 6 9 10 4 - - - 58
Kenosha - - 52 76 56 27 25 13 1 - - 250
Kewaunee - - 7 5 7 1 - - - - - 20
La Crosse - - 48 46 26 19 11 9 3 - - 162
Lafayette - - 7 8 3 2 2 2 - - - 24
Langlade - - 4 9 5 2 4 4 1 - - 29
Lincoln - - 3 12 7 4 5 2 - - - 33
Manitowoc - - 25 33 27 11 12 4 - - - 112
Marathon - - 36 47 24 22 10 3 1 - - 143
Marinette - - 11 19 20 3 5 9 - - - 67
Marquette - - 3 5 1 6 1 1 - - - 17
Menominee - - 2 1 - - 1 - - - - 4
Milwaukee - - 219 427 286 170 119 39 6 2 1 1,269
Monroe - - 20 16 14 8 3 5 - 1 - 67
Oconto - - 8 11 9 5 7 1 2 - - 43
Oneida - - 16 10 15 12 11 4 1 - - 69
Outagamie - - 52 65 33 27 11 6 - - - 194
Ozaukee - - 17 25 27 21 16 3 3 1 - 113
Pepin - - - 3 - 2 - 2 - - - 7
Pierce - - 18 12 11 6 10 2 1 1 - 61
Polk - - 15 25 8 13 6 3 2 - - 72
Portage - - 28 20 12 10 10 3 1 - - 84
Price - - 5 4 4 3 1 1 - - - 18
Racine - - 65 82 47 40 39 10 1 - - 284
Richland - - 5 6 2 2 3 1 - - - 19
Rock - - 43 103 66 38 28 5 2 - - 285
Rusk - - 2 7 1 2 - 2 - - - 14
Sauk - - 26 30 23 22 18 4 - - - 123
Sawyer - - 3 5 4 4 2 1 - - - 19
Shawano - - 24 27 14 1 3 2 - - 1 72
Sheboygan - - 34 46 32 17 14 2 - - - 145
St. Croix - - 21 34 27 9 9 3 - - - 103
Taylor - - 3 6 5 4 - 1 - - - 19
Trempealeau - - 16 15 6 6 8 - - - - 51
Vernon - - 4 9 4 3 4 - - - - 24
Vilas - - 12 5 3 4 5 6 - - - 35
Walworth - - 35 52 31 12 16 5 - - - 151
Washburn - - 9 5 3 2 - - 1 - - 20
Washington - - 21 47 31 18 15 9 - - - 141
Waukesha - 1 77 104 75 55 47 15 4 - - 378
Waupaca - - 16 23 15 12 8 3 - - - 77
Waushara - - 4 11 5 7 7 3 - - - 37
Winnebago - - 54 66 35 25 24 11 1 - - 216
Wood - - 13 27 20 12 3 2 1 - - 78
Total - 4 1,595 2,322 1,466 966 753 276 46 8 6 7,442
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 - - - - - - - - - 4 - 4
15-24 - 21 14 73 67 186 42 104 285 803 - 1,595
25-34 4 21 38 129 81 233 55 112 432 1,217 - 2,322
35-44 3 20 21 69 62 110 29 80 280 792 - 1,466
45-54 2 14 18 53 33 107 21 55 195 468 - 966
55-64 - 13 9 38 22 81 11 53 149 377 - 753
65-74 2 5 2 8 9 30 6 10 41 163 - 276
75-84 - - 1 2 - 6 - 2 9 26 - 46
85+ - - - - - 3 - 1 1 3 - 8
Unknown - - - - - - - - - 4 2 6
Total 11 94 103 372 274 756 164 417 1,392 3,857 2 7,442
M = Male F = Female U = Unknown.
Impaired Drivers by Vehicle Type
County Fatal Injury Property Damage Total
Passenger Car 61 1,440 2,805 4,306
(Sport) Utility Vehicle 25 529 885 1,439
Utility Truck/Pickup Truck 29 423 776 1,228
Motorcycle 23 155 15 193
Passenger Van 8 57 113 178
Moped - 21 2 23
Truck Tractor (Trailer Attached) 1 6 13 20
Cargo Van (10,000 Lbs or Less) 2 2 12 16
Straight Truck - 4 11 15
Snowmobile 1 2 4 7
ATV/UTV (Utility Terrain Vehicle) - 3 2 5
Low Speed Vehicle - 4 - 4
Miscellaneous - 2 - 2
Passenger Bus/Transit Bus - - 2 2
Autocycle - 1 - 1
School Bus 1 - - 1
Snow Plow - - 1 1
Truck Tractor (Trailer Not Attached) - 1 - 1
Total 151 2,650 4,641 7,442
Drinking Rates by Vehicle Type/Role
Role Incidence of Drug/Alcohol Impairment in a Crash Drinking Rate*
Driver of a Passenger Vehicle 7,167 34
Other 22 9
Driver of a Motorcycle/Moped 216 110
Driver of a CMV 36 4
Driver of a School Bus 1 1
Pedestrian 135 88
Bicycle 28 36
*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 - 4 4
10-14 4 90 94
15-19 342 21,194 21,536
20-24 1,253 24,726 25,979
25-29 1,277 22,386 23,663
30-34 1,045 19,598 20,643
35-39 841 17,983 18,824
40-44 625 15,596 16,221
45-49 503 14,440 14,943
50-54 463 14,668 15,131
55-59 451 15,322 15,773
60-64 302 13,161 13,463
65-69 193 9,472 9,665
70+ 137 16,122 16,259
Unknown age group was removed.
Drug Use of the Driver
Drug Type Fatal Injury Property Damage Total
CNS Stimulant 17 14 14 45
Cannabis 28 38 19 85
Central Nervous System (CNS) Depressant 6 8 11 25
Dissociatives Anti. 1 - - 1
Hallucingens 1 1 - 2
Inhalants 1 1 3 5
Narcotic Analgesics 3 11 10 24
Other 12 10 8 30
Phencyclidine - - 1 1
Steroids - - 1 1
Total 69 83 67 219
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 2 16 22 40 2 19
Ashland - 6 9 15 - 6
Barron 3 19 23 45 3 24
Bayfield 1 8 17 26 1 9
Brown 1 87 145 233 1 100
Buffalo 1 6 14 21 1 7
Burnett 4 12 13 29 4 24
Calumet - 16 25 41 - 18
Chippewa 2 33 43 78 2 42
Clark - 17 19 36 - 21
Columbia 2 36 53 91 3 45
Crawford 1 10 12 23 1 10
Dane 8 193 417 618 8 264
Dodge 4 35 44 83 5 52
Door 3 19 29 51 4 26
Douglas - 19 56 75 - 23
Dunn 3 22 32 57 3 27
Eau Claire 1 35 103 139 1 49
Florence - 5 2 7 - 9
Fond du Lac 2 48 90 140 3 71
Forest - 7 9 16 - 10
Grant 5 27 26 58 6 38
Green 2 33 34 69 3 42
Green Lake 2 11 7 20 2 12
Iowa 1 16 20 37 1 21
Iron 1 2 11 14 1 2
Jackson 1 14 20 35 1 20
Jefferson - 32 77 109 - 37
Juneau 1 16 37 54 1 25
Kenosha 5 96 148 249 7 132
Kewaunee 1 11 8 20 1 15
La Crosse 3 55 104 162 3 75
Lafayette - 10 14 24 - 12
Langlade 1 10 17 28 1 12
Lincoln 1 13 19 33 1 16
Manitowoc 4 39 67 110 4 55
Marathon 1 47 93 141 1 60
Marinette 3 27 37 67 3 40
Marquette - 9 8 17 - 11
Menominee - 3 1 4 - 3
Milwaukee 11 438 808 1,257 12 629
Monroe 1 25 41 67 1 33
Oconto 3 19 21 43 3 29
Oneida 2 24 39 65 2 36
Outagamie 1 63 127 191 1 92
Ozaukee 4 32 76 112 4 44
Pepin - 4 3 7 - 4
Pierce 3 21 36 60 3 25
Polk 1 34 33 68 1 43
Portage - 25 58 83 - 29
Price 2 6 10 18 2 12
Racine 6 112 161 279 6 165
Richland - 7 12 19 - 8
Rock 5 93 184 282 5 120
Rusk - 7 7 14 - 10
Sauk 3 34 86 123 4 45
Sawyer 1 12 4 17 1 15
Shawano 2 30 39 71 2 45
Sheboygan 3 46 94 143 4 69
St. Croix 7 28 66 101 7 31
Taylor 1 9 8 18 1 10
Trempealeau - 15 36 51 - 21
Vernon - 7 17 24 - 9
Vilas 2 13 19 34 2 22
Walworth - 48 98 146 - 59
Washburn 2 9 9 20 2 13
Washington 4 46 87 137 6 61
Waukesha 3 126 242 371 3 181
Waupaca 2 22 52 76 2 33
Waushara - 23 13 36 - 30
Winnebago 3 78 132 213 4 93
Wood 2 20 56 78 2 23
Total 144 2,596 4,599 7,339 158 3,523
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 - - - - 2 - - 3 5 8 - - 6 9 7 40
Ashland - - - - - - 1 2 1 2 - 1 - - 8 15
Barron - 1 1 1 - - 3 2 1 13 - 1 1 8 13 45
Bayfield - - - 1 - - - 2 2 4 - 4 1 6 6 26
Brown - - 1 - - 9 6 12 15 45 11 11 23 28 72 233
Buffalo - - 1 - - - 1 1 3 1 - 1 5 3 5 21
Burnett - - 3 - 1 - - 3 2 7 - - 1 2 10 29
Calumet - - - - - - 2 3 3 8 - 2 5 1 17 41
Chippewa - - - 2 - - - 12 8 13 - 5 13 10 15 78
Clark - - - - - - 2 3 8 4 - 2 4 4 9 36
Columbia 1 - - 1 - 7 3 11 7 8 7 3 15 8 20 91
Crawford - - 1 - - - 1 3 1 5 - 2 6 - 4 23
Dane - 3 1 2 2 10 49 17 28 89 21 69 27 51 249 618
Dodge - 1 1 1 1 - 1 6 15 13 1 1 6 5 31 83
Door - - 1 2 - - - 8 2 9 - - 7 4 18 51
Douglas - - - - - - 6 5 2 6 - 15 7 2 32 75
Dunn - - - 1 2 - 5 2 8 7 4 - 4 8 16 57
Eau Claire - 1 - - - 2 5 3 2 23 5 10 3 15 70 139
Florence - - - - - - - 3 1 1 - - - 2 - 7
Fond du Lac - - - 1 1 4 11 2 10 21 8 4 6 13 59 140
Forest - - - - - - 3 - - 4 - 1 3 1 4 16
Grant - 2 - 2 1 - 3 4 9 11 - 7 6 2 11 58
Green - - 1 1 - - - 7 15 11 - - 10 7 17 69
Green Lake - - - 1 1 - - 4 7 - - - 4 2 1 20
Iowa - - 1 - - - 2 5 3 6 - 7 4 4 5 37
Iron - - 1 - - - 1 - - 1 - 5 1 1 4 14
Jackson - - 1 - - 1 2 2 3 6 - 1 6 2 11 35
Jefferson - - - - - 1 4 7 12 8 7 2 12 17 39 109
Juneau - - - - 1 2 1 4 6 3 4 1 7 10 15 54
Kenosha - - 1 2 2 8 3 29 12 44 7 - 26 27 88 249
Kewaunee - - - 1 - - - 2 5 4 - - 1 4 3 20
La Crosse - 1 1 - 1 3 9 13 6 24 4 18 15 13 54 162
Lafayette - - - - - - - 3 3 4 - - 4 1 9 24
Langlade - - - 1 - - - 3 4 3 - 2 4 4 7 28
Lincoln - - 1 - - - 2 2 5 4 - 4 4 3 8 33
Manitowoc 1 1 - 2 - 3 7 4 6 19 2 8 10 16 31 110
Marathon - - - 1 - - 1 11 9 26 - 4 22 13 54 141
Marinette - 1 - 1 1 - 6 2 11 8 - 3 2 10 22 67
Marquette - - - - - 1 - 2 3 3 3 - - 3 2 17
Menominee - - - - - - - 1 - 2 - - - 1 - 4
Milwaukee 1 - 1 - 9 60 4 77 24 273 99 5 137 31 536 1,257
Monroe - - 1 - - 1 1 7 8 8 3 1 5 7 25 67
Oconto - - 2 1 - - 4 3 7 5 - 1 7 6 7 43
Oneida - - 1 - 1 - 4 3 8 9 - 4 6 8 21 65
Outagamie - - - - 1 4 - 11 14 34 6 2 27 24 68 191
Ozaukee 1 - 1 1 1 4 - 5 9 14 12 - 13 18 33 112
Pepin - - - - - - 1 1 - 2 - 1 1 1 - 7
Pierce - 1 1 - 1 - 2 8 3 8 - 5 10 9 12 60
Polk - - - 1 - - - 8 13 13 - 2 8 5 18 68
Portage - - - - - 1 1 3 5 15 4 4 11 14 25 83
Price - - 2 - - - 1 1 2 2 - - 4 3 3 18
Racine - - 2 1 3 13 2 31 13 53 18 1 40 17 85 279
Richland - - - - - - 2 2 1 2 - 1 4 2 5 19
Rock - 1 2 - 2 7 11 13 8 54 17 18 25 19 105 282
Rusk - - - - - - - 3 2 2 - 2 1 3 1 14
Sauk 1 - - 1 1 3 - 4 7 20 6 5 20 7 48 123
Sawyer - - - 1 - - - 4 3 5 - 1 - - 3 17
Shawano - - 1 1 - - 3 6 13 8 - 4 6 11 18 71
Sheboygan 1 - 1 1 - 4 - 10 6 26 2 - 18 19 55 143
St. Croix - 2 3 - 2 2 5 5 4 12 4 4 16 7 35 101
Taylor - - 1 - - - - 2 2 5 - - - 3 5 18
Trempealeau - - - - - - 3 8 2 2 - 8 7 8 13 51
Vernon - - - - - - - 3 3 1 - 4 5 2 6 24
Vilas - 1 1 - - - 1 4 4 4 - 2 5 2 10 34
Walworth - - - - - 2 6 7 7 26 1 2 24 17 54 146
Washburn - - 1 - 1 - 2 1 5 1 - 3 2 2 2 20
Washington 2 - 1 1 - 4 4 11 8 19 6 1 31 12 37 137
Waukesha - - 1 2 - 16 6 15 32 57 23 5 37 61 116 371
Waupaca - - - - 2 - 3 9 3 7 - 12 7 12 21 76
Waushara - - - - - 2 - 5 4 12 - - 2 6 5 36
Winnebago - - 3 - - 9 6 11 17 35 9 4 17 18 84 213
Wood - - - - 2 - - 3 5 12 - - 17 7 32 78
Total 8 16 43 35 42 183 212 492 485 1,224 294 296 794 681 2,534 7,339
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 142 45 48 50 64 65 131 545
1am 157 49 40 50 47 58 127 528
2am 200 43 58 47 51 77 181 657
3am 95 21 26 19 17 34 61 273
4am 47 10 9 16 15 22 55 174
5am 35 7 11 7 10 9 37 116
6am 28 9 8 8 7 13 17 90
7am 12 14 13 11 13 17 15 95
8am 18 11 12 10 11 15 16 93
9am 9 11 10 10 13 17 17 87
10am 12 11 5 15 7 24 17 91
11am 21 12 18 6 15 14 21 107
12pm 21 13 16 25 10 17 24 126
1pm 19 16 23 26 21 23 32 160
2pm 34 23 30 15 37 28 40 207
3pm 41 40 34 25 24 35 41 240
4pm 61 35 27 44 40 60 77 344
5pm 84 56 52 36 37 74 66 405
6pm 78 41 51 48 54 79 100 451
7pm 83 39 44 41 53 82 100 442
8pm 95 51 42 60 52 78 89 467
9pm 67 38 56 62 65 98 110 496
10pm 76 38 56 69 66 95 116 516
11pm 48 37 40 50 64 106 106 451
Unk. 54 14 10 21 15 28 36 178