• Environmental speed limits : do temporary speed limits improve air quality? 

      Westby, Benjamin S.; Folgerø, Ingrid Kristine (Master thesis, 2017)
      In 2004, Oslo introduced a policy that involved a temporary reduction in the maximum speed limit of 20 km/h (80 – 60 km/h) during the winter. The aim of this policy was to improve local air quality in order to reduce the ...
    • Going Fast or Going Green? Evidence from Environmental Speed Limits in Norway 

      Folgerø, Ingrid Kristine; Harding, Torfinn; Westby, Benjamin S. (DP SAM;12/2017, Working paper, 2017-08)
      This paper studies the impact of speed limits on local air pollution, using a series of datespecific speed limit reductions in Oslo over the 2004-2015 period. We find that lowering the speed limit from 80 to 60 km/h reduces ...
    • Going Fast or Going Green? Evidence from Environmental Speed Limits in Norway 

      Folgerø, Ingrid Kristine; Harding, Torfinn; Westby, Benjamin S. (DP SAM;17/2019, Working paper, 2019-10-03)
      This paper studies the impact of speed limits on local air pollution using a series of datespecific speed limit reductions in Oslo over the 2004-2011 period. We find that lowering the speed limit from 80 to 60 km/h reduces ...