More than 90% of driver's license suspensions are not related to traffic safety

September 29, 2020

Philadelphia, September 29, 2020 - A study conducted by researchers at Children's Hospital of Philadelphia (CHOP) and Brown University found that the vast majority of license suspensions are for non-driving-related events, such as failure to pay a fine or appear in court, and that these suspensions disproportionately affect those living in low-income communities and in communities with a greater percentage of Black and Hispanic residents. The study, which was published in the Journal of Transport & Health, is the first large-scale empirical study to document widespread disparities in the prevalence of suspensions using individual-level data and to demonstrate how that prevalence has been changing over time.

"Every year, millions of Americans delay healthcare and miss out on employment opportunities due to transportation barriers," said Nina R. Joyce, PhD, lead author of the study, an associate fellow with the Center for Injury Research and Prevention (CIRP) at CHOP and a researcher and professor with the Brown University School of Public Health. "Our research shows that non-driving-related license suspensions are disproportionately imposed on drivers living in low-income neighborhoods and in neighborhoods with a greater percentage of Black and Hispanic residents in New Jersey."

The study team analyzed data from the New Jersey Safety and Health Outcomes Data Warehouse, which includes complete licensing information for New Jersey from January 2004 through December 2018, and compared individual and geographical characteristics between drivers with a non-driving-related suspension, a driving-related suspension, and no suspension.

The study found that among more than 7.6 million licensed NJ drivers, 424,869 (5.5%) of the state's driving population had a suspended license in 2018. Of those with suspended licenses, 91% were given for a non-driving-related event.

The researchers also found that the prevalence of non-driving-related suspensions is seven times greater in the lowest income neighborhoods versus the highest income neighborhoods (13.4% vs 1.9%) and five times greater in neighborhoods with the highest percentage of Black and Hispanic residents versus the lowest percentage of Black and Hispanic residents (13.2% vs 2.8%). More than 90 state census tracts had at least 1 in 5 drivers with a non-driving-related suspension.

Failure to pay a fine or fee was the most common reason for both new and existing non-driving-related license suspensions across all the years of the study, constituting 55% of existing and 58% of new non-driving-related suspensions respectively.

"What is particularly concerning is that the communities most burdened by license suspensions are already facing heightened barriers to employment and healthcare," says Allison E. Curry, PhD, MPH, senior co-author of the study and a senior scientist and director of Epidemiology and at the CIRP at CHOP and an assistant professor of Pediatrics at the Perelman School of Medicine at the University of Pennsylvania. "We're also conducting a complementary study to learn firsthand from individuals whose licenses were suspended about how this transportation barrier affects their health and well-being."
Joyce et al, "Individual and Geographic Variation in Driver's Suspension: Evidence of Disparities by Race, Ethnicity, and Income." J Transp Health, online September 24, 2020. DOI: 10.1016/j.jth.2020.100933.

About Children's Hospital of Philadelphia: Children's Hospital of Philadelphia was founded in 1855 as the nation's first pediatric hospital. Through its long-standing commitment to providing exceptional patient care, training new generations of pediatric healthcare professionals, and pioneering major research initiatives, Children's Hospital has fostered many discoveries that have benefited children worldwide. Its pediatric research program is among the largest in the country. In addition, its unique family-centered care and public service programs have brought the 564-bed hospital recognition as a leading advocate for children and adolescents. For more information, visit

Children's Hospital of Philadelphia

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