Wyoming Fatal Accident Study:

Wyoming’s Deadliest Roads and Fatal Accident Statistics

Between 2017 and 2019, there were 325 fatal crashes in Wyoming. MoneyGeek analyzed data about these accidents to determine the deadliest roads in the state. We also identified the various factors that contributed to these incidents.

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Last Updated: 4/26/2022
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Out of the 62,620 miles of road in Wyoming, MoneyGeek analyzed 125 roads for this study. Based on our findings, distracted driving, speeding, drunk driving, seasonal changes and weather conditions were the factors that contributed significantly to the number of fatal crashes in the state. MoneyGeek also summarized information for each of Wyoming’s counties and indicated the deadliest stretch of road in each.

Key Findings

  • I-25 in Platte County, between Exit 100 and Exit 94, is Wyoming's deadliest stretch of road.
  • Speeding was the most common factor in fatal accidents, contributing to 32% of crashes. Approximately **31% **of fatal accidents were related to drunk driving.
  • Distracted driving was involved in just 7% of accidents. A MoneyGeek study ranked Wyoming as 25th in the U.S. for distracted driving.
  • June had the highest number of deadly crashes of any month. July (37) and September (36) had the next two most accidents.
  • More fatal accidents occurred in Laramie than in any other county. Most of these crashes occurred on 1-80 and involved drunk driving (11) and speeding (7).

10 Deadliest Road Stretches in Wyoming


  • DEADLIEST ROAD IN WYOMING
    I-25 between Exit 100 and Exit 94
    Platte County
    I-25 between Exit 100 and Exit 94
    • Fatal Accidents:4
    • fatalities:4
    • Crashes Per Mile:3.0
    • distance:1.3 miles
  • SR-137 from Northern Arapahoe Rd. to Miller Ln.
    Fremont County
    SR-137 from Northern Arapahoe Rd. to Miller Ln.
    • Fatal Accidents:3
    • fatalities:7
    • Crashes Per Mile:0.7
    • distance:4.1 miles
  • I-80 from Exit 228 to Exit 235
    Carbon County
    I-80 from Exit 228 to Exit 235
    • Fatal Accidents:3
    • fatalities:4
    • Crashes Per Mile:1.4
    • distance:2.2 miles
  • I-25 from Exit 73 to Exit 70
    Platte County
    I-25 from Exit 73 to Exit 70
    • Fatal Accidents:3
    • fatalities:4
    • Crashes Per Mile:1.0
    • distance:3.0 miles
  • I-80 from Exit 272 to Elk Mountain Arlington Rd.
    Carbon County
    I-80 from Exit 272 to Elk Mountain Arlington Rd.
    • Fatal Accidents:3
    • fatalities:3
    • Crashes Per Mile:1.5
    • distance:2.0 miles
  • I-80 from Exit 30 to Exit 34
    Uinta County
    I-80 from Exit 30 to Exit 34
    • Fatal Accidents:3
    • fatalities:3
    • Crashes Per Mile:0.9
    • distance:3.3 miles
  • I-80 from Exit 335 to Exit 339
    Laramie County | Albany County
    I-80 from Exit 335 to Exit 339
    • Fatal Accidents:3
    • fatalities:3
    • Crashes Per Mile:0.9
    • distance:3.4 miles
  • I-80 from Exit 99 to Exit 104
    Rock Springs
    I-80 from Exit 99 to Exit 104
    • Fatal Accidents:3
    • fatalities:3
    • Crashes Per Mile:0.6
    • distance:4.7 miles
  • I-25 from Exit 165 to Deer Creek Rd.
    Converse County
    I-25 from Exit 165 to Deer Creek Rd.
    • Fatal Accidents:3
    • fatalities:3
    • Crashes Per Mile:1.9
    • distance:1.6 miles
  • US-26 from Forest Rd. 31045 to Forest Rd. 31055A
    Lincoln County
    US-26 from Forest Rd. 31045 to Forest Rd. 31055A
    • Fatal Accidents:3
    • fatalities:3
    • Crashes Per Mile:0.8
    • distance:3.7 miles

Drunk Driving Involved in 31% of Fatal Accidents

Between 2017 and 2019, there were 325 fatal accidents recorded in Wyoming. One hundred of these were related to drunk driving.

It’s never a good idea to get behind the wheel after drinking, no matter how sober you may feel. A blood alcohol concentration (BAC) of 0.8% means you’re considered legally intoxicated in Wyoming. However, even a BAC of just 0.2% impairs your driving ability.

Even if drunk driving doesn’t result in fatalities, it can lead to other costly consequences. The state may suspend your license and restrict your driving privileges. Worse, you may have to spend time in jail. It also means less affordable car insurance in Wyoming. Drivers with DUIs on their records are required to secure SR-22 insurance in Wyoming. This type of coverage has higher costs than a standard policy.

Speeding Is a Factor in 32% of Fatal Crashes

MoneyGeek’s analysis showed that speeding contributed 105 or 32% of fatal accidents in Wyoming between 2017 and 2019. The effects of speeding are harmful to the driver, their vehicle and the surrounding environment. Speeding decreases the amount of time you have to react to a hazardous situation, such as needing to stop suddenly. It also increases your car’s stopping distance and makes safety structures on the road like guardrails or concrete barriers less effective.

Distracted Driving Contributed to 7% of Fatal Accidents

From 2017 to 2019, Wyoming had 24 fatal accidents involving distracted driving. That’s just 7% of all recorded incidents in the state. MoneyGeek’s worst states for distracted driving study found that the state ranks 25th in the U.S. for distracted driving fatalities.

June Had More Fatal Accidents Than Any Other Month

According to MoneyGeek’s analysis, June had a higher number of deadly crashes than any other month in the year. Based on our findings, 40 fatal accidents occurred during this month — or 12.3% of all crashes resulting in deaths within three years. July and September also had high numbers of accidents, with 37 (11.4%) and 36 (11.1%) deadly crashes, respectively.

Average Fatal Accidents by Month
Month
Fatal Accidents
Drunk Driving Related
Distracted Driving Related
Winter Conditions
Speeding Related
% of Total

January

20

6

1

9

9

6.2%

February

12

2

0

2

7

3.7%

March

32

10

1

6

15

9.8%

April

31

12

4

5

6

9.5%

May

27

10

4

1

8

8.3%

June

40

12

1

1

8

12.3%

July

37

15

2

0

12

11.4%

August

35

6

1

0

9

10.8%

September

36

14

4

0

11

11.1%

October

22

6

3

2

5

6.8%

November

19

5

3

5

9

5.8%

December

14

2

0

4

6

4.3%

Driving Safely Protects You, Others and Your Wallet

When you practice safe driving, you’re protecting yourself, your loved ones and everyone else on Wyoming’s roadways. Cautious driving helps you avoid crashes, which can be dangerous and costly. If you do get into an accident, having affordable full coverage auto insurance is crucial since it protects you and your loved ones against significant financial loss after a crash.

For full coverage, the average cost of car insurance in Wyoming is $851 annually. This annual premium is also how much car insurance in Cheyenne, Wyoming’s largest city, costs. If you live in another part of the state, your insurance rates may vary.

Your address isn’t the only factor insurers consider when setting premiums. Car insurance costs may be higher or lower depending on other elements of your driver profile, such as your age or driving history. Insurance rates also vary between insurers — comparing quotes from several companies can help you find the cheapest insurance option available.

Fatal Accidents and Most Dangerous Roads: County Breakdown

There were 153 fatal crashes in the top-five counties for deadly accidents in the state: that’s about 40% of the total number of recorded incidents in Wyoming.

Of the 23 counties included in MoneyGeek’s study, Laramie had the most recorded fatal crashes at 35. Most of these happened along I-80 and involved drunk driving (11) and speeding (7).

Fatal Accidents and Contributing Factors By County
County
Fatalities
Fatal Accidents
Drunk Driving Related
Distracted Driving Related
Speeding Related
Most Deadly Road (Fatal Accidents)

Laramie

39

35

11

3

7

I-80 (7)

Carbon

45

33

5

2

14

I-80 (13)

Sweetwater

36

31

6

0

9

I-80 (17)

Fremont

34

27

20

3

10

US-26 (5)

Natrona

31

27

9

0

11

US-20 (5)

Albany

19

19

6

1

8

I-80 (8)

Campbell

19

18

4

3

6

SR-59 (5)

Platte

18

16

4

1

3

I-25 (12)

Lincoln

19

16

6

2

8

US-89 (5)

Converse

13

13

3

0

5

I-25 (4)

Park

14

12

5

0

3

SR-120 (4)

Crook

13

12

5

1

4

SR-24 (3)

Uinta

14

11

1

1

3

I-80 (9)

Sheridan

8

8

3

1

2

I-90 (4)

Goshen

8

7

2

1

1

US-85 (4)

Johnson

6

6

0

1

0

I-25 (3)

Big Horn

7

6

2

2

1

US-14 (3)

Niobrara

9

6

1

0

3

US-18 (4)

Sublette

7

6

2

0

1

US-189 (2)

Hot Springs

8

5

2

1

1

SR-120 (3)

Teton

7

5

2

0

1

US-26 (4)

Washakie

3

3

0

0

2

US-16 (2)

Weston

4

3

1

1

2

US-16 (1)

Methodology

MoneyGeek analyzed 2017, 2018 and 2019's fatality data from the National Highway Traffic Safety Administration's FARS (fatal accident reporting system) database. Currently, 2019 is the most recent data available in the system.

About the Author


expert-profile

Doug Milnes is the head of marketing and communications at MoneyGeek. He has spent more than a decade in corporate finance performing valuations for Duff and Phelps and financial planning and analysis for various companies including OpenTable. He holds a master’s degree in Predictive Analytics (Data Science) from Northwestern University and is a CFA charter holder. Doug geeks out on building financial and predictive models and using data to make informed decisions.


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