WASHINGTON, D.C. — For decades, drunk driving has been widely recognized as the single most dangerous behavior a person can commit behind the wheel. However, new traffic safety data reveals that America’s other major driving vice—speeding—has nearly closed the gap.
According to a comprehensive national study by research firm Siegfried & Jensen analyzing 2024 traffic data, drunk driving claimed 11,904 lives on U.S. roads. Speeding followed closely behind, causing 11,288 fatalities. The margin between the two behaviors has shrunk to just 616 deaths nationwide, signaling a dramatic shift in the landscape of traffic safety.
Together with distracted driving, these two behaviors accounted for roughly two-thirds of the 39,254 total roadway fatalities recorded across the country. That equates to about 107 completely preventable traffic deaths every single day.
The National Data at a Glance
The convergence of speeding and impaired driving highlights a growing challenge for highway safety advocates. While total national traffic fatalities dropped by 3.8%—marking the first time since 2020 that total road deaths fell below 40,000—the data shows that reckless driving habits remain stubbornly entrenched.
| Driving Behavior | Total 2024 Fatalities | Percentage of All Road Deaths |
| Drunk Driving | 11,904 | ~30% |
| Speeding | 11,288 | ~29% |
| Distracted Driving | 3,208 | ~8% |
A Profile of Loss: The Age Groups Most Affected by Traffic Fatalities
| Age Group | People Killed | % of Total | |
|---|---|---|---|
| 1 | 25 to 34 | 6,9216,921 | 18%18% |
| 2 | 35 to 44 | 6,2526,252 | 16%16% |
| 3 | 55 to 64 | 5,2465,246 | 13%13% |
| 4 | 45 to 54 | 4,9634,963 | 13%13% |
| 5 | 65 to 74 | 4,1284,128 | 11%11% |
| 6 | 75 and older | 3,8913,891 | 10%10% |
| 7 | 16 to 20 | 3,2763,276 | 8%8% |
| 8 | 21 to 24 | 3,1463,146 | 8%8% |
| 9 | Under 16 | 1,2351,235 | 3%3% |
| 10 | Unknown | 196196 | 1%1% |
Age group totals reflect all persons killed in fatal crashes across the United States for the full calendar year 2024. Data includes all crash types and contributing factors regardless of cause.
Table: Siegfried & Jensen. Source: National Highway Traffic Safety Administration Get the data. Created with Datawrapper.
Safety experts point out that the narrow gap between speeding and drunk driving reveals a flaw in historical safety prioritization. For decades, impaired driving has been targeted by aggressive public awareness spending, strict law enforcement crackdowns, and severe criminal penalties. Excessive speeding, by contrast, has historically received far less sustained public pushback despite carrying nearly the same lethal toll.
Indiana Context: The Local Battle Against Speed and Impairment
The national convergence of speeding and drunk driving risks is closely mirrored in Indiana, where state officials are working to combat the same deadly combination.
According to the Indiana Criminal Justice Institute (ICJI) and state traffic data, the Hoosier State has seen an overall reduction of more than 13% in traffic fatalities over the last two years, down to a target baseline of roughly 926 deaths. However, localized risk data reveal that speeding and impairment remain the leading catalysts for severe crashes:
- Fatal Crash Root Causes: State safety data tracks speeding as the second most common driver-related factor contributing to fatal accidents across Indiana, trailing only “failure to yield the right of way.”
- The Urban Hotspot: Marion County remains the state’s highest-risk zone, accounting for more than 36,000 of Indiana’s annual collisions, with high-speed urban arterial corridors and late-night highway routes seeing the highest density of severe accidents.
- Demographic Risks: Much like the national trends highlighted in the Siegfried & Jensen study, Indiana data show that male drivers aged 21 to 34 are statistically the most likely to be involved in fatal collisions involving speed and a blood alcohol concentration (BAC) above the legal limit.
Moving Forward
The findings suggest that the next wave of local and national road safety initiatives must adapt to treat excessive speed with the same cultural stigma and legal severity long reserved for driving under the influence.
State agencies like the ICJI are currently expanding youth outreach programs, such as Traffic Safety Days at the Indianapolis Motor Speedway, alongside targeted law enforcement deployments to lower speed thresholds and curb impaired driving simultaneously before the gap disappears entirely.
The full breakdown, including state-by-state rates, comes from research by Siegfried & Jensen.
