State Highway 99W in Oregon: fatal crashes
From 2015 to 2024, 37 fatal crashes on State Highway 99W in Oregon killed 39 people, the 18th most of 164 numbered roads in Oregon. In 2024 there were 4 fatal crashes and 4 deaths on the road.
A state highway running through 6 counties of Oregon. All fatal crashes in Oregon.
Deaths on State Highway 99W in Oregon by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 4 | 4 |
| 2023 | 10 | 10 |
| 2022 | 6 | 6 |
| 2021 | 2 | 2 |
| 2020 | 2 | 2 |
| 2019 | 3 | 3 |
| 2018 | 0 | 0 |
| 2017 | 0 | 0 |
| 2016 | 1 | 1 |
| 2015 | 9 | 11 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on State Highway 99W in Oregon: the counties with the most fatal crashes
Benton County had the most fatal crashes on State Highway 99W from 2015 to 2024: 14, with 15 deaths. Benton, Yamhill and Washington counties together held 73% of fatal crashes on State Highway 99W in Oregon from 2015 to 2024. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Benton County | 1 | 14 | 15 |
| 2 | Yamhill County | 2 | 8 | 8 |
| 3 | Washington County | 0 | 5 | 5 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen on State Highway 99W in Oregon
37 fatal crashes on State Highway 99W in Oregon from 2015 to 2024 have a known time, too few for any one weekday and time of day to stand out. The worst hour is 3 pm to 4 pm; the worst month is December.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 2.7 percent, 1 fatal crash | 2.7 percent, 1 fatal crash | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 10.8 percent, 4 fatal crashes | 2.7 percent, 1 fatal crash | 0.0 percent, 0 fatal crashes |
| Tue | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 5.4 percent, 2 fatal crashes | 2.7 percent, 1 fatal crash | 0.0 percent, 0 fatal crashes | 2.7 percent, 1 fatal crash |
| Wed | 2.7 percent, 1 fatal crash | 5.4 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 5.4 percent, 2 fatal crashes | 2.7 percent, 1 fatal crash |
| Thu | 0.0 percent, 0 fatal crashes | 2.7 percent, 1 fatal crash | 2.7 percent, 1 fatal crash | 10.8 percent, 4 fatal crashes | 5.4 percent, 2 fatal crashes | 2.7 percent, 1 fatal crash |
| Fri | 0.0 percent, 0 fatal crashes | 5.4 percent, 2 fatal crashes | 0.0 percent, 0 fatal crashes | 5.4 percent, 2 fatal crashes | 8.1 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes |
| Sat | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 5.4 percent, 2 fatal crashes | 2.7 percent, 1 fatal crash | 2.7 percent, 1 fatal crash | 0.0 percent, 0 fatal crashes |
By hour
By month
- Jan13.5%
- Feb10.8%
- Mar0.0%
- Apr10.8%
- May5.4%
- Jun10.8%
- Jul13.5%
- Aug5.4%
- Sep2.7%
- Oct5.4%
- Nov5.4%
- Dec16.2%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes on State Highway 99W in Oregon first hit
The first harmful event was a collision with another vehicle in most fatal crashes, 57%; a fixed object such as a tree, pole or barrier in 24%, a pedestrian in 11%, a cyclist in 8.1%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 21 | 57% |
| Fixed object (tree, pole, barrier, ditch) | 9 | 24% |
| Pedestrian | 4 | 11% |
| Cyclist | 3 | 8.1% |
| Rollover | 0 | 0.0% |
| Parked vehicle | 0 | 0.0% |
| Other | 0 | 0.0% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes on State Highway 99W in Oregon compare with the state
The largest difference from Oregon: from 2015 to 2024, 12% of occupants killed on State Highway 99W in Oregon were unbelted, against 34% across Oregon. Below the Oregon share: speeding. Shares of fatal crashes from 2015 to 2024, against the share across all of Oregon. A share is only given over 20 crashes; above or below means more than chance would give on 37 crashes.
| State Highway 99W | Oregon | ||
|---|---|---|---|
| On rural stretches | 49% | 55% | about the same as the Oregon share |
| At or near an intersection | 32% | 20% | about the same as the Oregon share |
| In the dark, road unlit | 17% | 28% | about the same as the Oregon share |
| A drinking driver | 16% | 31% | about the same as the Oregon share |
| Speeding | 14% | 30% | below the Oregon share |
| A distracted driver (as recorded) | 5.4% | 5.7% | about the same as the Oregon share |
| Occupants killed unbelted | 12% | 34% | below the Oregon share |
| Hit-and-run | 0.0% | 4.6% | about the same as the Oregon share |
| A motorcycle involved | 5.4% | 15% | about the same as the Oregon share |
| Pedestrians among the dead | 10% | 16% | about the same as the Oregon 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 on State Highway 99W in Oregon
- How many fatal crashes have there been on State Highway 99W in Oregon?
- 37 fatal crashes killed 39 people on State Highway 99W in Oregon from 2015 to 2024. In 2024 there were 4 fatal crashes and 4 deaths. Source: NHTSA's Fatality Analysis Reporting System (FARS).
- Where on State Highway 99W in Oregon do the most fatal crashes happen?
- Benton County had the most fatal crashes on State Highway 99W from 2015 to 2024: 14, with 15 deaths. Yamhill County was second with 8.
Other roads in Oregon with a page
All fatal crashes in Oregon, with every road ranked.
Where the State Highway 99W numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as State Highway 99W in Oregon (filed under 6 spellings, such as "SR-99W ODOT 91", "SR-99W (ODOT 91)", "SR-99W 91", "SR-99W ODOT 81"). Ramps, frontage and service roads are left out. Where two routes share a road, NHTSA files each crash under one of them, so a shared stretch counts on one route only. A fatal crash is one in which someone died within 30 days. Totals in state and news reports for a road usually differ: they include ramps and frontage roads, or count from preliminary reports. The full method.