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Edition: FARS 2024, annual fileNHTSA released it on Release dates

Interstate 90 fatal crashes in Idaho

FARS records 38 fatal crashes with 42 deaths on Interstate 90 in Idaho from 2015 to 2024.

In 2024 it records 1 or 2 fatal crashes with 1 or 2 deaths on the route.

By fatal crashes from 2015 to 2024, Interstate 90 was number 10 of the 14 routes of Idaho with a page.

Fatal crashes on Interstate 90 rose by 31.0% between the ten years 2005 to 2014 (29) and the ten years 2015 to 2024 (38).

In Idaho they rose by 8.4% between the same years.

From 2015 to 2024, a speeding-related driver was recorded in 52.6% of fatal crashes on Interstate 90 and 22.4% in Idaho.

To qualify as a FARS case, the crash had to involve a motor vehicle traveling on a trafficway customarily open to the public and must have resulted in the death of a motorist or a non-motorist within 30 days of the crash.

The set of first files, known as the Annual Report File (ARF), is released following the crash year. The ARF is replaced about a year later with a final file, which contains additional cases or updates to cases that had become available after the ARF was released.

NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on .

This page rests on the FARS 2024 annual file. NHTSA released it on . NHTSA can revise the counts in the final file. Release dates

Figure 1.Fatal crashes on Interstate 90 in Idaho by year, 2015 to 2024

Table 1 has the numbers. Go to the table

Since the last update: no figure of this route has a change on record.

Fatal crashes by year

Table 1.Interstate 90 in Idaho: fatal crashes and deaths by year, 2000 to 2024
YearFatal crashesDeaths
20241 or 21 or 2
20231 or 21 or 2
202244
202155
202045
201955
20181 or 21 or 2
201778
201656
201545
201434
20131 or 21 or 2
20121 or 21 or 2
201177
20101 or 21 or 2
20091 or 23
200879
200746
20061 or 21 or 2
20051 or 21 or 2
200455
20031 or 21 or 2
20021 or 23
200155
200066

Note: the route is the trafficway that FARS records for the crash. The records of routes start in 2000. A count of 1 or 2 is written "1 or 2".

Counties on the route

Table 2.Interstate 90: fatal crashes on the route in each county, 2015 to 2024, in name order
CountyOn the routeOn all roads of the county
Kootenai County23143
Shoshone County1535

Note: the table has the counties where FARS records a fatal crash on the route in these years.

Factors that NHTSA records

Table 3.Interstate 90 in Idaho: counts by recorded factor, 2015 to 2024
FactorCountCounted amongShareShare on all roads of Idaho
A driver recorded as drinkingof 38 fatal crashes1138 fatal crashes31.2%
A speeding-related driverof 38 fatal crashes2038 fatal crashes22.4%
Pedestriansof 42 deaths342 deaths6.9%
Motorcyclistsof 42 deaths1 or 242 deaths13.1%

Note: FARS records a driver as drinking when police reported alcohol involvement or a test of the driver was positive for alcohol. It is not NHTSA's alcohol-impaired measure. One crash can be in two rows. NHTSA's definitions

Note that alcohol data is often missing. For that reason, this data element may under-count the actual number of drinking drivers.

NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on .

Time of day

Table 4.Interstate 90 in Idaho: fatal crashes by time of day, 2015 to 2024
Time of dayFatal crashesShareShare on all roads of Idaho
Midnight to 6 a.m.718.4%15.4%
6 a.m. to noon1026.3%21.4%
Noon to 6 p.m.718.4%35.0%
6 p.m. to midnight1436.8%28.1%

Note: the table has the fatal crashes with a known hour.

Mile ranges

Table 5.Interstate 90 in Idaho: fatal crashes by range of five miles, 2015 to 2024
MilepointFatal crashes
Mile 0 to 57
Mile 5 to 104
Mile 10 to 153
Mile 15 to 203
Mile 50 to 554
Mile 60 to 654

Note: the table has the six ranges of five miles with the largest counts, in the order of the milepoint. 92.1 percent of the fatal crashes on the route have a milepoint in FARS. A state can start its milepoints again at a county line.

Routes in the same counties

These routes of Idaho have a fatal crash on record in one or more of the same counties. The list is for navigation. The number is the fatal crashes on the route from 2015 to 2024.

All routes in Idaho

Official channels

These links go to the sites of the agencies. They were checked on .

Cite this page

Fatal Roads. Interstate 90 fatal crashes in Idaho. https://fatalroads.com/route/id/i-90/. Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, FARS 2024 annual file. Data to .

The address of this page does not change.

Source of the figures

Counts: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, national files of 2000 to 2024. A route page is built for a signed Interstate, US or state route with 20 or more fatal crashes in a state in ten years. Data to . The figures are totals. No page of this site is about one crash or one person.

How the figures are made. Data sources and licences. Corrections.

Questions

How many fatal crashes did FARS record on Interstate 90 in the ten years before 2015?

FARS records 29 fatal crashes on Interstate 90 in Idaho from 2005 to 2014. It records 38 from 2015 to 2024.

What part of the fatal crashes in Idaho was on Interstate 90?

38 of the 2,159 fatal crashes in Idaho from 2015 to 2024 were on Interstate 90. That is 1.8 percent.

How many fatal crashes on Interstate 90 had a driver recorded as drinking?

FARS records a driver as drinking in 11 of 38 fatal crashes from 2015 to 2024. It records a speeding-related driver in 20 of them.

Does this page count the same route number in a different state?

No. This page counts the fatal crashes that FARS records on Interstate 90 in Idaho only. The route in a different state has its own page.