Seven severely injured people had been airlifted out, with 56 wounded counted so far.
Nadeau was airlifted to Virginia Commonwealth University Medical Center with injuries to his head, lung, shoulder and ribs.
Three other technicians involved in the same incident were airlifted to Turkey with serious injuries.
The injured man has been airlifted to Leeds General Infirmary with serious injuries.
A female passenger in one of the vehicles had to be airlifted to hospital with serious injuries.
The 44-year-old bus driver had to be freed from the wreckage by firefighters, and was later airlifted to Royal London Hospital with serious injuries.
In Wrightington, Lancashire, a 16-year-old girl was airlifted to hospital with serious head and back injuries after a snowboarding accident.
One policeman was airlifted to hospital with head injuries but later released, and two other officers needed hospital treatment for minor injuries, Nottinghamshire Police said.
The 35-year-old former Premier League defender, who retired from football last year, was airlifted to Leeds General Infirmary with serious injuries, which are not life-threatening.
The Third Division leaders Warrington Woolston had their game at South London abandoned when the home team's second-row David Sia was airlifted to hospital with a neck injury.
