Crash compatibility between cars and light trucks: Benefits of lowering front-end energy-absorbing structure in SUVs and pickups

Baker, Bryan C.; Nolan, Joseph M.; O’Neill, Brian; Genetos, Alexander P.

doi:10.1016/j.aap.2007.04.008

Cited by 26 publications

(9 citation statements)

References 3 publications

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“…The Insurance Institute for Highway Safety estimated the effect of either one of the light-truck compatibility measures on US fatality risk in struck cars (Baker et al 2008). The analysis compared risk per registered vehicle-year for vehicle models before and after they adopted one of the voluntary compatibility measures.…”

Section: Figure 4 Market Penetration Of Compatibility Measures In LImentioning

confidence: 99%

“…A discussion of these analyses and a comparison with the main conclusions of the NHTSA 2012 analysis is included in a companion paper (Wenzel, submitted). In addition, several have evaluated the effectiveness that new technologies ESC (Farmer 2006;Sivinski 2011), side airbags (Kahane 2007;McCartt and Kyrychenko 2007), and compatibility measures (Baker et al 2008;Ossiander et al 2013) have in reducing fatality risk. However, none of these studies have evaluated whether widespread introduction of these technologies are expected to change the current relationship between vehicle mass and fatality risk per vehiclemile traveled (VMT).…”

Section: Introductionmentioning

confidence: 99%

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The effect of recent trends in vehicle design on U.S. societal fatality risk per vehicle mile traveled, and their projected future relationship with vehicle mass

Wenzel

2013

Accident Analysis & Prevention

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The National Highway Traffic Safety Administration (NHTSA) recently updated its 2003 and 2010 logistic regression analyses of the effect of a reduction in light-duty vehicle mass on US fatality risk per vehicle mile travelled (VMT). The current NHTSA analysis is the most thorough investigation of this issue to date. LBNL's assessment of the analysis indicates that the estimated effect of mass reduction on risk is smaller than in the previous studies, and statistically non-significant for all but the lightest cars.The effect three recent trends in vehicle designs and technologies have on societal fatality risk per VMT are estimated, and whether these changes might affect the relationship between vehicle mass and fatality risk in the future. Side airbags are found to reduce fatality risk in cars, but not necessarily light trucks or CUVs/minivans, struck in the side by another light-duty vehicle; reducing the number of fatalities in cars struck in the side is predicted to reduce the estimated detrimental effect of footprint reduction, but increase the detrimental effect of mass reduction, in cars on societal fatality risk. Better alignment of light truck bumpers with those of other vehicles appears to result in a statistically significant reduction in risk imposed on car occupants; however, reducing this type of fatality will likely have little impact on the estimated effect of mass or footprint reduction on risk. Finally, shifting light truck drivers into safer, car-based vehicles, such as sedans, CUVs, and minivans, would result in larger reductions in societal fatalities than expected from even substantial reductions in the masses of light trucks. A strategy of shifting drivers from truck-based to car-based vehicles would reduce fuel use and greenhouse gas emissions, while improving societal safety.

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Section: Figure 4 Market Penetration Of Compatibility Measures In LImentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The effect of recent trends in vehicle design on U.S. societal fatality risk per vehicle mile traveled, and their projected future relationship with vehicle mass

Wenzel

2013

Accident Analysis & Prevention

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“…While efforts to make vehicle geometry more compatible may lead to the reduction of some injuries, the weights of the vehicles have not substantially changed 7. Weight has been linked to both better occupant protection and higher vehicle aggresivity 10 30.…”

Section: Discussionmentioning

confidence: 99%

“…These features have already been introduced by the auto industry, but strict regulations mandating them have not followed 7 29. Promotion of these efforts as well as examination of ways to decrease the influence of vehicle mass will help ensure even safer passenger vehicles in the future.…”

Section: Discussionmentioning

confidence: 99%

Motor vehicle mismatch: a national perspective

Mandell

Mack²,

Bulger

2010

Inj Prev

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ObjectiveTo determine the RR of the severe injury associated with light truck vehicle (LTV) versus passenger vehicle (PV) mismatch following motor vehicle collisions across the USA.MethodsThis was a retrospective cohort study with the primary outcomes of Injury Severity Score (ISS) >8 and body region Abbreviated Injury Score (AIS) >2. The National Automotive Sampling System Crashworthiness Data System (NASS CDS) was searched for occupants in frontal and side impact crashes from 1993 to 2007. Occupants in PVs struck by LTVs were compared to PV occupants struck by another PV. Poisson regression was used to estimate the RR of severe injury after adjusting for driver age, driver gender, and change in velocity during the crash (∆v). Because 21% of cases were missing ∆v, multiple imputation was used to estimate the missing values. NASS CDS weights were used to estimate the risk of severe injury nationally.ResultsPV occupants in front impact crashes with an LTV as the striking vehicle were at increased risk of severe injury compared to those struck by another PV (RR 1.37, 95% CI 1.09 to 1.73). A similar increase risk was observed in side impact crashes (RR 1.34, 95% CI 1.12 to 1.62). Increased risk of injury was also identified in several body regions.ConclusionsMotor vehicle mismatch crashes are associated with a significant increase in risk of severe injury for PV occupants in the USA. Addressing vehicle compatibility remains an important issue for occupant safety.

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“…Design features that differ by vehicle type also contribute to fleet incompatibility. In particular, a vertical misalignment between energy-absorbing structures can produce crashes where one or both vehicles fail to engage their primary energy-absorbing structures (Baker et al 2008). For these reasons, substantial research and engineering attention has been devoted to the issue of reducing incompatibility between cars, SUVs, and pickups.…”

Section: Introductionmentioning

confidence: 99%

Trends in aggressivity and driver risk for cars, SUVs, and pickups: Vehicle incompatibility from 1989 to 2016

Monfort

Nolan

2019

Traffic Injury Prevention

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Crash compatibility between cars and light trucks: Benefits of lowering front-end energy-absorbing structure in SUVs and pickups

Cited by 26 publications

References 3 publications

The effect of recent trends in vehicle design on U.S. societal fatality risk per vehicle mile traveled, and their projected future relationship with vehicle mass

The effect of recent trends in vehicle design on U.S. societal fatality risk per vehicle mile traveled, and their projected future relationship with vehicle mass

Motor vehicle mismatch: a national perspective

Trends in aggressivity and driver risk for cars, SUVs, and pickups: Vehicle incompatibility from 1989 to 2016

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