“…Furthermore, our geographic focus is regional, as some preceding studies on enforcement resources recommend (Braga et al, 2019;Kuo et al, 2013). The literature on the impact of traffic police enforcement has predominantly been conducted by evaluating aggregated data for large areas (i.e., national level), and demonstrating, in general terms, that a proactive policy leads to a dissuasion effect that seems to be inversely correlated with both crashes and traffic offenses (Bates et al, 2012;Rezapour et al, 2017;Tay, 2005). This is also the case in Spain, the object of our case study (Castillo-Manzano et al, 2019;Dadashova et al, 2014;Villalbí and Pérez, 2006).…”