Quick answer
According to crimebycity.com's analysis of NHTSA Fatality Analysis Reporting System data, Jefferson Hills Borough, PA recorded 5 traffic deaths in 5 fatal crashes from 2020 to 2024 — 8.3 deaths per 100,000 residents per year vs the US average of 12.3. Its Road Danger Score of 53/100 means a higher traffic-fatality rate than about 53% of ranked US cities (#11 of 54 in Pennsylvania, most dangerous first).
Road Danger Score
Traffic Deaths per 100K
Fatal Crashes 2020–2024
How Dangerous Are the Roads in Jefferson Hills Borough, Pennsylvania?
Jefferson Hills Borough has a Road Danger Score of 53/100 (Near-Average Road Danger). Over the five years from 2020 to 2024, federal crash data recorded 5 fatal motor-vehicle crashes in the city, killing 5 people — 8.3 traffic deaths per 100,000 residents per year, below the national average of 12.3.
Jefferson Hills Borough ranks #11 out of 54 ranked cities in Pennsylvania and #1,012 out of 2,153 nationally for road danger (most dangerous first). The score is a percentile: a higher traffic-fatality rate than about 53% of ranked US cities.
The most distinctive factor in Jefferson Hills Borough's fatal crashes: pedestrian or cyclist involved — 40% of fatal crashes, versus 23% nationally.
What’s Behind Jefferson Hills Borough’s Fatal Crashes (2020–2024)
Share of the city’s 5 fatal crashes where each factor was recorded. Factors overlap, so shares don’t sum to 100%.
| Crash Factor | Fatal Crashes | Jefferson Hills Borough | National Avg |
|---|---|---|---|
| Drinking driver involved | 1 | 20.0% | 25.9% |
| Speeding involved | 1 | 20.0% | 28.2% |
| Pedestrian or cyclist involved | 2 | 40.0% | 22.5% |
| Dark / nighttime conditions | 3 | 60.0% | 49.8% |
Jefferson Hills Borough Traffic Deaths by Year
Annual traffic fatalities in Jefferson Hills Borough, Pennsylvania from NHTSA FARS. Single-year swings are normal in smaller cities; the Road Danger Score uses the full 5-year window.
| Year | Traffic Deaths |
|---|---|
| 2024 | 1 |
| 2023 | 1 |
| 2022 | 1 |
| 2021 | 1 |
| 2020 | 1 |
Frequently Asked Questions
How many fatal car accidents happen in Jefferson Hills Borough, Pennsylvania?
According to NHTSA FARS data, Jefferson Hills Borough recorded 5 fatal car accidents between 2020 and 2024, resulting in 5 traffic deaths — an average of 1.0 deaths per year.
How dangerous are the roads in Jefferson Hills Borough?
Jefferson Hills Borough has a Road Danger Score of 53/100, meaning its traffic-fatality rate is higher than about 53% of ranked US cities. The city averages 8.3 traffic deaths per 100,000 residents per year, compared to the US average of 12.3.
What causes fatal car accidents in Jefferson Hills Borough?
Of Jefferson Hills Borough's fatal crashes in 2020–2024, 20% involved a drinking driver, 20% involved speeding, 40% involved a pedestrian or cyclist, and 60% happened in dark conditions.
How many people die in car accidents in Jefferson Hills Borough each year?
An average of 1.0 people per year died in car accidents in Jefferson Hills Borough across 2020–2024 (5 total), based on the federal Fatality Analysis Reporting System.
Is driving in Jefferson Hills Borough more dangerous than in other Pennsylvania cities?
Jefferson Hills Borough ranks #11 of 54 ranked Pennsylvania cities for road danger (most dangerous first) and #1,012 of 2,153 nationally.