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Bruno M. Pegoraro, Thiago Costa Monteiro Caldeira and Silvio Rosa Paula
 
''Truck drivers and drugs: impact of mandatory drug testing on safety on Brazilian highways''
( 2023, Vol. 43 No.3 )
 
 
This study evaluates the impact of the mandatory drug test requirement for truck and bus drivers on traffic accidents on Brazilian highways from 2010 to 2020. Employing the difference-in-differences approach, the results reveal a significant reduction of 12.9% in accidents involving heavy vehicles on Brazilian highways. Although no statistically significant relationship was found with the mortality rate, the decline in accident rates underscores the significance of public policies aimed at enhancing traffic safety.
 
 
Keywords: Road safety, Difference-in-differences, Drug test
JEL: R4 - Transportation Systems: General
C1 - Econometric and Statistical Methods: General
 
Manuscript Received : Mar 20 2023 Manuscript Accepted : Sep 30 2023

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