Idaho transportation and highway safety officials reported Friday that 90 people died on state roads between Memorial Day and Labor Day this year — a period often called the 100 Deadliest Days because of higher traffic risks for drivers across the summer months.
Summer spike contrasts with year-to-date decline
The Idaho Transportation Department, citing preliminary data from the Idaho Office of Highway Safety, said the summer number is a small rise from the 88 deaths recorded during the same period in 2025. Despite the increase over the summer, statewide fatalities for the year so far remain lower than last year.
Through early September, Idaho has reported 150 total traffic deaths in 2026, compared with 174 at the same point in 2025.
| Period | 2026 | 2025 |
|---|---|---|
| Memorial Day–Labor Day (100 Deadliest Days) | 90 | 88 |
| Year-to-date total (as reported) | 150 | 174 |
Contributing factors and officials’ guidance
The Idaho Transportation Department highlighted several key contributing factors identified in crash reports this year. The top eight include:
- Not wearing a seat belt
- Failing to stay in the lane
- Driving under the influence
- Other behaviors and conditions identified by investigators
"Every one of these deaths impacts their families forever," said Josephine Middleton, Highway Safety Manager.
Middleton urged motorists to adopt simple, proven safety practices. In a news release, the Idaho Transportation Department said officials believe consistent choices by drivers can reduce deaths and serious injuries.
"We can save lives and prevent serious injuries by consistently choosing safety first: buckle up, stay focused, drive sober, and slow down," Middleton said. "Our aim is to keep Idaho families intact."
Where the data leave room for caution
State officials noted that the information is preliminary and subject to revision as crash investigations conclude and reports are finalized. Even with year-to-date totals lower than last year’s, the summer uptick underscores recurring risks during warmer months when more drivers are on the road and activity increases on rural highways, recreational corridors and near tourist destinations.
Traffic-safety researchers and state agencies have long pointed to the summer period as a time of elevated risk, particularly for younger drivers and for trips involving higher speeds or longer distances. The data released Friday did not provide a detailed age breakdown or county-by-county totals.
Practical safety reminders for drivers
Officials emphasized measures drivers and passengers can take immediately to lower risk:
- Always wear a seat belt; it remains the single most effective protection in a crash.
- Avoid distractions such as handheld devices; keep eyes on the road.
- Never drive under the influence of alcohol or drugs.
- Obey speed limits and adjust speed for road and weather conditions.
Local and state agencies frequently pair data releases with enforcement campaigns and public outreach designed to reinforce those behaviors. Motorists traveling Idaho highways in coming months should expect continued emphasis on buckling up, sober driving, and speed enforcement.
Department officials said they will continue to monitor crash data and work with law enforcement and community partners to target the behaviors most often linked to fatalities in the state.
Reporting from the Idaho Transportation Department and the Idaho Office of Highway Safety provided the figures released Friday. The numbers are preliminary and may be updated as investigations proceed.
