The accident happened on National Route 333 in Nikoro Town, Kitami City.
Around 8:30 a.m., the truck skidded on the wet road, veered into the opposite lane, and collided head-on with the passenger car.
In the accident, the male driver of the passenger car died, while the woman in the passenger seat sustained minor injuries.
According to police, the road was wet from rain at the time, and they are investigating the exact circumstances.