one, train versus truck. >> reporter: north carolina representative mark walker filming the scene through the train window showing debris littering the area across the tracks. three lawmakers who are doctors offering first aid to victims including congressman david roe and roger marshall. >> so we did cpr for several, several minutes. dr. roe gave me a look that i don't know where you teach this in medical school, but a look that this is over, roger. there's nothing else we can do. >> reporter: a 28-year-old passenger in the trash truck did not survive. the injuries for passengers on the train are minor. >> it just kind of reminds you sometimes how fragile life can be. >> reporter: the ntsb says one of the focuses of their investigation will be the grade crossing where the crash took place. a recent study found these crossings where a railroad and a road meet saw an average of nearly six incidents per day in 2017. >> there are a lot of fatalities at grade crossings, and that's become...