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For Whom the Bell Tolls: Road Safety Effects of Tolls on Uncongested SCUT Highways in Portugal

Road safety

  • For Whom the Bell Tolls: Road Safety Effects of Tolls on Uncongested SCUT Highways in Portugal

    We present a difference-in-differences analysis of the road safety effects of introducing tolls on SCUT highways in Portugal, a policy motivated purely by financial considerations, as congestion was never an issue. Using negative binomial count models and a comprehensive dataset on all mainland municipalities covering 2008 to 2014, we find that introducing tolls led to an increase in the total numbers of accidents and of road injuries in municipalities where SCUT highways are located.