Impact of Improving Vehicle Front Design on the Burden of Pedestrian Injuries in Germany, USA, and India

Moran, Dane; Bose, Dipan; Bhalla, Kavi · 2017 · Crossref

DOI: 10.1596/28626

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Summary

This study evaluates the potential impact of improving vehicle front-end design on the burden of pedestrian injuries in Germany, the United States, and India. The research addresses a critical gap in global road safety: while European regulations and New Car Assessment Program (NCAP) ratings have successfully reduced pedestrian injuries in Europe, the US and India lack similar pedestrian-focused design regulations or testing protocols. The authors aim to quantify the health benefits, measured in Disability-Adjusted Life Years (DALYs), that could be achieved if these countries adopted vehicle designs comparable to those mandated in Europe. The researchers utilized data from the Global Burden of Disease (GBD) project and the International Road Traffic and Accident Database (IRTAD) to establish baseline pedestrian fatalities and non-fatal injuries for 2013. They employed the Burden Calculator software to estimate DALYs lost, combining mortality and morbidity. To assess the impact of improved design, the study modeled two scenarios: improving passenger car safety to achieve at least a 3-star Euro NCAP rating and retrofitting heavy motor vehicles (HMVs) with energy-absorbing fronts. For passenger cars, the analysis assumed the US fleet resembled Germany’s pre-regulation fleet (1997) and the Indian fleet had zero-star ratings, extrapolating injury reduction probabilities from German crash data. For HMVs, estimates were derived from computer simulation studies, adjusted for secondary ground impacts. The results indicate that improving passenger car design would significantly reduce the burden of pedestrian injuries in the US and India, but offer minimal gains in Germany, where compliance is already high. Specifically, upgrading car designs would reduce DALYs lost by pedestrians struck by cars by 24% in the US and 41% in India, compared to only a 1% reduction in Germany. Improving HMV front-end design would reduce DALYs by approximately 20% in all three countries. When considering all road traffic injuries, improved vehicle design would decrease the total DALY burden by 0.8% in Germany, 4.1% in the US, and 6.7% in India. Sensitivity analyses confirmed that the magnitude of benefit correlates with the baseline safety of the vehicle fleet and the proportion of pedestrian crashes. The study concludes that vehicle front-end design is a potent countermeasure for protecting vulnerable road users, particularly in low- and middle-income countries like India, where pedestrians account for a large share of traffic injury burden. The findings suggest that the US and India would benefit substantially from adopting pedestrian safety regulations and NCAP testing similar to those in Europe. The authors emphasize that while crash-avoidance technologies are emerging, passive protection through vehicle design remains essential, especially for HMVs and in regions with high pedestrian exposure. The paper advocates for prioritizing pedestrian safety in global vehicle safety standards to address the disproportionate impact of road traffic injuries on vulnerable populations.

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• comparative international
• demographic disparities

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• Empirical Findings: crash risk outcomes