The incident, which occurred two days earlier, involved the 39-year-old driver obstructing an ambulance that was transporting a patient and signaling for priority on National Highway 25 in Phu Hoa District.
Locals filmed it and posted videos on social media.
The truck was on its way to carry building materials to a construction site.
The truck driver's reckless maneuvering prevented the ambulance from passing over nearly one kilometer.