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Study: Police Make Fewer Traffic Stops Following [Cannabis] Legalization, But People of Color Still Disproportionately Targeted

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Stanford, CA: Police are less likely to conduct searches for illicit contraband during a traffic stop following the enactment of adult-use [cannabis] legalization, according to data published in the journal Nature: Human Behavior.

A team of researchers affiliated with Stanford University and New York University assessed the effects of statewide legalization laws in Colorado and Washington on traffic stop outcomes.

Investigators reported, “After the legalization of [cannabis], the number of searches fell substantially” in both states as compared to rates in 12 control states (jurisdictions that did not amend their [cannabis] laws). In addition, “the proportion of stops that resulted in either a drug-related infraction or misdemeanor fell substantially in both states after [cannabis] was legalized.”

However, despite the overall decline in traffic stop-related searchers, authors reported that African Americans and Hispanics continued to be subjected to vehicle searches at disproportionate rates. “We found that white drivers faced consistently higher search thresholds than minority drivers, both before and after [cannabis] legalization,” they wrote. “The data thus suggest that, although overall search rates dropped in Washington and Colorado, black and Hispanic drivers still faced discrimination in search decisions.”

Nationwide, African Americans and Hispanics are searched about twice as often as stopped white drivers, their analysis determined.

Authors concluded, “We find that legalization reduced both search rates and misdemeanor rates for drug offences for white, black, and Hispanic drivers – though a gap in search thresholds persists.”

Their findings are similar to those reported previously by The Marshall Project and the Center for Investigative Reporting in 2017. In that study, researchers similarly reported that traffic stop-related searches fell among both whites and African Americans post-legalization, but that blacks still remained two-to-three times more likely to have their vehicles searched.

Commenting on the new study, NORML’s Political Director Justin Strekal said, “While we are pleased to see the total number of traffic stop-related searches decline in legal cannabis states, we must not overlook the reality that people of color continue to be policed in a manner that is racially disparate manner. While legalization is one tool that appears to lessen come of these disparities, it is not a panacea to solve the structural problems of systemic racism that persist in America.”

Full text of the study, “A large-scale analysis of racial disparities in police stops across the United States,” appears in Nature: Human Behavior.

You can find NORML’s factsheet on the racial disparity in [cannabis] arrests here: https://norml.org/marijuana/fact-sheets/item/racial-disparity-in-marijuana-arrests

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NORML’s mission is to move public opinion sufficiently to legalize the responsible use of [cannabis] by adults, and to serve as an advocate for consumers to assure they have access to high-quality [cannabis] that is safe, convenient, and affordable.

Find out more at www.norml.org and read our factsheets on the most common misconceptions and myths regarding reform efforts around the country at www.norml.org/marijuana/fact-sheets

For Immediate Release
Contact:
Justin Strekal
NORML Political Director
Justin@norml.org

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