Truck catches fire near viaduct on access to Caxias do Sul A truck caught fire this Monday morning (8) at RSC-453, in Caxias do Sul, Serra. The accident happened near Viaduto dos Bugres, on the access to the city. 📲 Access the g1 RS channel on WhatsApp Fire Department teams respond to the incident. Traffic is blocked in the region. There was no information about injuries or the causes of the fire until the last update of this report. Truck explodes near viaduct on access to Caxias do Sul Disclosure VIDEOS: Everything about RS