The man was critically injured when a tourist bus turned over on E6 in Namsskogan municipality in North-Trøndelag on Tuesday.
On Wednesday, the man died from his injuries, St. Olaf Hospital said.
The bus, belonging to the Swiss company “Eurobus”, was on its way from Mo i Rana to Trondheim. All together, 16 Swiss tourists and the German driver were aboard the bus.
The passengers were mostly elderly people and the bus driver is supposedly among the 13 injured who were sent to the nearby hospital in Namsos. The bus driver has been preliminarily charged with careless driving.