Fatal Crash Data

Fatal crashes in Shiawassee County, Michigan

In 2024, 13 people died in 12 fatal crashes in Shiawassee County, 30.0% more than in 2023. From 2015 to 2024 the county recorded 85 fatal crashes and 90 deaths.

19.1 deaths per 100,000 residents, against 10.8 across Michigan in 2024; 13.2 against 10.5 a year over 2015 to 2024. Population 67,982, Census Bureau estimate. All fatal crashes in Michigan.

Deaths in Shiawassee County by year

10201620182020202220242016: 142024: 13
YearFatal crashesDeaths
20241213
2023910
202288
202156
202089
201988
201888
201766
20161314
201588

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

The deadliest roads in Shiawassee County

I-69 had the most fatal crashes of any numbered road in Shiawassee County from 2015 to 2024: 11, with 13 deaths. The 4 roads listed held 41% of all fatal crashes in Shiawassee County from 2015 to 2024; 1 is an interstate, 3 state highways. Interstate, US and state routes with 5 or more fatal crashes in the county; county roads and city streets are in the county's total but not listed.

RoadFatal crashesDeaths2022 to 2024
1I-6911131
2State Highway 2110105
3State Highway 52994no page
4State Highway 71551no page

Cities NHTSA filed, with their fatal crashes from 2015 to 2024: Owosso 5. The city is not filed for crashes outside a city.

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

When fatal crashes happen in Shiawassee County

Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.

Share of fatal crashes in Shiawassee County by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun2.4 percent, 2 fatal crashes2.4 percent, 2 fatal crashes2.4 percent, 2 fatal crashes4.7 percent, 4 fatal crashes2.4 percent, 2 fatal crashes3.5 percent, 3 fatal crashes
Mon1.2 percent, 1 fatal crashes1.2 percent, 1 fatal crashes2.4 percent, 2 fatal crashes1.2 percent, 1 fatal crashes2.4 percent, 2 fatal crashes0.0 percent, 0 fatal crashes
Tue2.4 percent, 2 fatal crashes1.2 percent, 1 fatal crashes0.0 percent, 0 fatal crashes3.5 percent, 3 fatal crashes2.4 percent, 2 fatal crashes2.4 percent, 2 fatal crashes
Wed2.4 percent, 2 fatal crashes0.0 percent, 0 fatal crashes3.5 percent, 3 fatal crashes3.5 percent, 3 fatal crashes2.4 percent, 2 fatal crashes3.5 percent, 3 fatal crashes
Thu0.0 percent, 0 fatal crashes2.4 percent, 2 fatal crashes3.5 percent, 3 fatal crashes1.2 percent, 1 fatal crashes2.4 percent, 2 fatal crashes3.5 percent, 3 fatal crashes
Fri2.4 percent, 2 fatal crashes0.0 percent, 0 fatal crashes2.4 percent, 2 fatal crashes5.9 percent, 5 fatal crashes3.5 percent, 3 fatal crashes1.2 percent, 1 fatal crashes
Sat1.2 percent, 1 fatal crashes3.5 percent, 3 fatal crashes2.4 percent, 2 fatal crashes5.9 percent, 5 fatal crashes0.0 percent, 0 fatal crashes5.9 percent, 5 fatal crashes

By hour

By month

  • Jan10.6%
  • Feb2.4%
  • Mar5.9%
  • Apr1.2%
  • May3.5%
  • Jun14.1%
  • Jul10.6%
  • Aug12.9%
  • Sep12.9%
  • Oct14.1%
  • Nov4.7%
  • Dec7.1%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

What fatal crashes in Shiawassee County first hit

The first harmful event was a collision with another vehicle in 48%; a fixed object such as a tree, pole or barrier in 29%, a pedestrian in 9.4%, a rollover in 7.1%.

First harmful eventFatal crashesShare
Collision with another vehicle4148%
Fixed object (tree, pole, barrier, ditch)2529%
Pedestrian89.4%
Rollover67.1%
Cyclist22.4%
Other22.4%
Parked vehicle11.2%
Not reported00.0%

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

How fatal crashes in Shiawassee County compare with Michigan

A drinking driver was recorded in 33% of fatal crashes in Shiawassee County from 2015 to 2024, above the Michigan share of 28%; speeding in 24%, below the Michigan share of 25%; a hit-and-run in 1.2%, below the Michigan share of 6.5%; a driver recorded as distracted in 12%, above the Michigan share of 5.9%; 42% of passenger-vehicle occupants killed with belt use known were unbelted, above the Michigan share of 38%. Shares of fatal crashes from 2015 to 2024, against the share across all of Michigan. A share is only given over 20 crashes.

ShiawasseeMichigan
On rural roads84%41%above the Michigan share
At or near an intersection25%29%below the Michigan share
In the dark, road unlit38%26%above the Michigan share
A drinking driver33%28%above the Michigan share
Speeding24%25%below the Michigan share
A distracted driver (as recorded)12%5.9%above the Michigan share
Occupants killed unbelted42%38%above the Michigan share
Hit-and-run1.2%6.5%below the Michigan share
A motorcycle involved19%16%above the Michigan share
Pedestrians among the dead8.9%15%below the Michigan share

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Questions about fatal crashes in Shiawassee County

How many people died in car accidents in Shiawassee County in 2024?
13 people died in 12 fatal crashes in Shiawassee County, Michigan, in 2024, 30.0% more than in 2023. That is 19.1 deaths per 100,000 residents, against 10.8 across Michigan.
What is the deadliest road in Shiawassee County?
I-69 had the most fatal crashes of any numbered road in Shiawassee County from 2015 to 2024: 11, with 13 deaths.
How many fatal crashes in Shiawassee County involved a drinking driver?
28 of 85 fatal crashes in Shiawassee County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 33%, against 28% across Michigan.

Other counties in Michigan with a page

All fatal crashes in Michigan, with every county ranked.

Where the Shiawassee County numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Shiawassee County (county code 155). A fatal crash is one in which someone died within 30 days. The rate per 100,000 uses the Census Bureau's population estimate for the county; it is the only figure here not counted from FARS. The full method.