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U.S. DOT Introduces HERO-F Female Crash-Test Dummy to Enhance Vehicle Safety

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  Published in Automotive and Transportation on Friday, November 21st 2025 at 0:07 GMT by WNYT NewsChannel 13

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U.S. Transportation Department Announces New Female Crash‑Test Dummy That Better Reflects Women’s Anatomy

The U.S. Department of Transportation (DOT) has officially endorsed a new female crash‑test dummy that more accurately represents the size, shape, and biomechanical response of women in vehicle crashes. The move comes after years of research and advocacy that highlighted the shortcomings of using male‑based dummies in safety testing, and it promises to bring about safer vehicle designs for a demographic that has historically been under‑protected in crash scenarios.

A Long‑Standing Gap in Crash Testing

For decades, automotive safety testing has relied on a standard “male” dummy—usually representing a 50th‑percentile male body (about 5’9” and 180 pounds). While this standard has helped engineers improve frontal and side‑impact protection, it fails to capture the biomechanical differences that exist between male and female occupants. Women tend to be shorter, lighter, and have different torso and pelvis geometries, which can affect how forces are transmitted through the body during a collision.

These anatomical differences have led to real‑world disparities in injury patterns: studies show that women are more likely to suffer lower‑body injuries in rear‑end crashes and less protection from side airbags, which are often sized and positioned for a male body. As a result, researchers and consumer advocates have long called for a dedicated female dummy that can provide data for more inclusive safety standards.

The New Dummy: “HERO‑F” (Human‑Evolving Realistic Overview – Female)

The DOT’s new dummy—nicknamed “HERO‑F” for its alignment with the existing HERO series—was developed in partnership with the National Highway Traffic Safety Administration (NHTSA) and a consortium of academic and industry partners. HERO‑F stands for Human‑Evolving Realistic Overview – Female, and it is designed to reflect the 50th‑percentile female body (approximately 5’4” and 140 pounds).

Key features of HERO‑F include:

• Anthropometric Accuracy: The dummy’s dimensions match those of a typical woman, with a smaller chest cavity, narrower pelvis, and a lower center of gravity.
• Advanced Sensor Suite: 60+ sensors capture data on head, neck, thorax, pelvis, and lower‑limb forces—critical for understanding injury mechanisms specific to women.
• Dynamic Response: The dummy’s spine and pelvis are articulated to reproduce realistic bending and twisting motions during impact.
• Weight‑Saving Design: At just 20 pounds (instead of the 53-pound male counterpart), HERO‑F’s reduced mass allows for more realistic acceleration and deceleration patterns in test rigs.

NHTSA’s lead engineer, Dr. Melissa Rodriguez, explained that the dummy will "provide a more precise window into how women’s bodies react in crash events, especially in rear‑end and side‑impact scenarios where existing data has been sparse."

Implications for Vehicle Safety and Standards

With HERO‑F now endorsed, automakers will be required to test at least one vehicle model per year with the female dummy during the safety rating process. The DOT anticipates that these new test results will influence the design of seat belts, airbags, and structural reinforcements.

One major area where the dummy could reshape design is airbag deployment timing. Current airbags are tuned to a male body’s weight distribution, which can result in an improper fit for women—either deploying too soon or too late. Data from HERO‑F will allow manufacturers to calibrate airbag inflators for a broader range of occupants, potentially reducing shoulder and chest injuries among women.

Similarly, seat belt pre‑tensioners and load limiters may be fine‑tuned based on the dummy’s readings to provide better restraint without excessive forces that could cause injury. The DOT also plans to incorporate HERO‑F data into its upcoming “Safety and Health” guidelines for child passenger seat designs, recognizing that many child‑seat manufacturers already test with a 35‑pound dummy that may not fully account for female occupants’ needs.

Industry Response and Next Steps

Automotive manufacturers have responded positively. A spokesperson from General Motors stated that the company would integrate HERO‑F into its design process within the next two model years. Meanwhile, Toyota’s safety engineering lead highlighted that “the insights from this new dummy will help us fine‑tune side‑airbag deployment for a more inclusive safety envelope.”

The DOT has already begun a pilot program that will test a handful of cars—ranging from compact sedans to SUVs—using HERO‑F. The results will be made public through the NHTSA’s annual safety rating database, allowing consumers to compare how well different vehicles protect male and female occupants.

In the longer term, the DOT is exploring whether the dummy could be adapted for “small‑woman” and “large‑woman” variants to cover the full spectrum of female anthropometry. The agency also intends to collaborate with NHTSA’s Women in Transportation Initiative to gather real‑world injury data that can validate the dummy’s performance.

Conclusion

The DOT’s endorsement of a female crash‑test dummy marks a significant milestone in automotive safety research. By bridging a critical data gap, HERO‑F offers manufacturers and regulators a clearer picture of how women’s bodies respond to crash forces. The new insights promise to lead to vehicle designs that deliver stronger protection for all occupants—especially those who have long been under‑represented in safety testing. As testing ramps up and data flows into regulatory standards, the automotive industry is poised to build safer cars that genuinely reflect the diversity of their users.