Worst Drivers By State

United States
59.45Bad Driving IndexNational Average
Bad Driving Index 2021Question Mark
Map visualization
#1#48
1
MississippiMississippi
100
2
North DakotaNorth Dakota
91.3
3
CaliforniaCalifornia
90.58
4
FloridaFlorida
86.96
5
NevadaNevada
84.06
6
OklahomaOklahoma
83.33
6
TennesseeTennessee
83.33
8
ArizonaArizona
81.88
9
KentuckyKentucky
78.99
10
MissouriMissouri
77.54
11
ArkansasArkansas
74.64
12
AlabamaAlabama
73.91
13
WyomingWyoming
71.74
14
South CarolinaSouth Carolina
71.01
15
ColoradoColorado
70.29
16
AlaskaAlaska
68.84
16
New MexicoNew Mexico
68.84
18
IdahoIdaho
68.12
19
LouisianaLouisiana
67.39
20
WashingtonWashington
66.67
21
MarylandMaryland
65.22
22
OregonOregon
62.32
22
GeorgiaGeorgia
62.32
24
HawaiiHawaii
61.59
25
TexasTexas
60.87
26
Rhode IslandRhode Island
59.42
27
MichiganMichigan
57.97
28
MontanaMontana
56.52
28
WisconsinWisconsin
56.52
30
NebraskaNebraska
53.62
31
South DakotaSouth Dakota
52.9
31
IowaIowa
52.9
33
VirginiaVirginia
50.72
34
IndianaIndiana
50
34
MinnesotaMinnesota
50
34
KansasKansas
50
37
North CarolinaNorth Carolina
46.38
38
OhioOhio
43.48
39
DelawareDelaware
41.3
39
IllinoisIllinois
41.3
41
West VirginiaWest Virginia
39.86
42
MaineMaine
36.23
43
New YorkNew York
35.51
44
VermontVermont
25.36
44
ConnecticutConnecticut
25.36
46
New JerseyNew Jersey
24.64
47
New HampshireNew Hampshire
18.84
48
PennsylvaniaPennsylvania
13.04
Worst Drivers By State
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Last updated May 24, 2025

Driving Quality Across the U.S

We've all experienced that moment of shock, frustration, or fear as a reckless driver zooms past us on the highway, or abruptly changes lanes without warning. It seems no matter where we are, there's always that one driver who adds a level of unnecessary risk to our daily commute. It's safe to say that all states have their fair share of bad drivers. According to the 'Bad Driver Index', there is a geographical disparity in regions recording the worst driving behaviors. The 'Bad Driver Index' ranks states on the basis of three critical criteria: percentage of insured drivers, number of Driving Under Influence (DUI) arrests per thousand drivers, and the number of fatalities per 100,000 miles driven. The coalescence of these facts provides a compelling snapshot of the dire state of road safety in some U.S. regions and the presiding factors contributing to it. Key findings from the data include:

  • The southern states demonstrated an alarming trend, with Mississippi leading the pack with a score of 100 - the worst, followed closely by Tennessee, Florida, and Kentucky. This regional pattern suggests a higher prevalence of unpredictable drivers in the southern part of the United States.
  • North Dakota nearly caught up with Mississippi, scoring a staggering 91.3. California, notorious for its busy roads and aggressive driving, secured the third spot with a score of 90.58.
  • Interestingly, the states with the least proportion of bad drivers are predominantly located in the Northeast. Pennsylvania, for instance, ranked lowest with a humbling score of 13.04. New Hampshire and New Jersey also exhibited promising figures.
  • The data also revealed that some states, despite their larger population, had lower scores on the 'Bad Driving Index', such as New York with a score of 35.51, suggesting that a high population density does not necessarily translate to more bad drivers.

10 States with the Worst Drivers

Mississippi, is the state with the most dangerous driving conditions in the country. In the second place, proving just as unpredictable and perilous, is the northern state of North Dakota, with a score of 91.3. California, known for its substantial traffic and aggressive drivers, secured the third place on the index with an unnerving score of 90.58.
The southern state of Florida comes in fourth with a 'Bad Driver Index' of 86.96 followed by Nevada, another state notorious for deadly driving habits, scoring 84.06. Oklahoma and Tennessee are tied for the sixth spot on the list, with disturbingly high scores of 83.33, further embodying the trend of hazardous driving behavior in the southern states. Arizona ranks eighth with an index score of 81.88 followed by Kentucky, also in the southern crop, with a score of 78.99. Rounding out this unhappy top ten is Missouri, completing the list with a "Bad Driver Index" of 77.54. States with the Worst Drivers (Index Score):

  1. Mississippi - 100
  2. North Dakota - 91.3
  3. California - 90.58
  4. Florida - 86.96
  5. Nevada - 84.06
  6. Oklahoma - 83.33
  7. Tennessee - 83.33
  8. Arizona - 81.88
  9. Kentucky - 78.99
  10. Missouri - 77.54

Sources & Notes

Bad Driving Index

Composite score based on dangerous driving behaviors and road safety metrics.

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