L'ojectifs de cette etude est d'analyser les accidents routier des vehicules commerciaux motorises (entreprises de …

reduce the number of severe road traffic accidents, carbon monoxide, nitrogen monoxide, nitrogen dioxide pollution and infant …Many governments subsidize regional rail service as an alternative to road traffic. This paper assesses whether … increases in service frequency reduce road traffic externalities. We exploit differences in service frequency growth by …

.4% reduction in traffic flow, which resulted in a less than proportional 6.0% and 7.6% decrease in accidents and slight injuries …This paper estimates the marginal accident externality of driving in Central London by exploiting variation in traffic …, and serious injuries/fatalities rate elasticities with respect to traffic flow are -0.36, -0.19 and -1.65 respectively …

We use a regression discontinuity design to study the effect of the COVID-19 lockdown on mobility and traffic accidents … Transportation and Develop- ment (LaDOTD), we find that the stay-at-home order led to a large decrease in traffic accidents (-47 …. Based on data from Google Community Mobility reports and Uniform Traffic Crash Report from the Louisiana Department of …

a second experiment that provided explicit incentives to police officers to carry out sobriety traffic checkpoints and …