Automakers Develop Sensors for Personalized Safety
New sensor systems aim to adjust vehicle protection based on a driver's specific height and weight.
Updated on Sept. 28, 2026 in Car Types
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Automakers are working to implement occupant classification systems that use vehicle sensors to identify a driver's approximate size. This technology seeks to tailor safety features to individual body types, addressing variations in injury patterns across different drivers.
Why it matters
Tailoring vehicle safety systems to specific body types aims to address the fact that injury severity differs between men and women of different sizes during identical crash conditions. This transition marks an effort to improve protection beyond current standardized metrics.
The National Highway Traffic Safety Administration currently utilizes the 5-star safety rating as its official standardized metric. Future systems are expected to rely on occupant classification to supplement these existing benchmarks.
The players
National Highway Traffic Safety Administration
The federal agency responsible for setting vehicle safety standards in the United States and managing the 5-star rating system.
Dr. Steward Wang
A researcher at the University of Michigan Trauma Burn Center who spent 14 years investigating injury patterns through the Crash Injury Research Engineering Network.
The details
Occupant classification works by using vehicle sensors to identify the approximate height and weight of the driver. Adaptive safety systems then use this data to adjust protection mechanisms to the individual. These human body models require significant ongoing development to become predictive of all potential injury types.
Timeline
Dr. Steward Wang served as a CIREN principal investigator for 14 years.
The Home Front
This development marks a shift from the standardized metrics established by the National Highway Traffic Safety Administration's 5-star safety rating. These future systems represent a move toward personalized protection to supplement current vehicle safety testing standards.
Drivers should keep in mind that these adaptive technologies are still years or decades away from appearing in consumer vehicles. For now, rely on existing vehicle safety features and official government safety ratings when evaluating the protection levels of your household vehicles.
The takeaway
While adaptive safety systems promise more personalized protection based on body type, they remain in the long-term development phase. Consumers should continue to prioritize vehicles with high scores on established metrics like the 5-star safety rating when making future purchases.
Further reading
Learn more about the latest innovations in vehicle safety features in our Car Types section.
Source note: This article includes information reported by Detroit Free Press.
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Should vehicle safety systems be personalized to individual driver body types rather than using standardized tests?
