He remains in a serious but stable condition.
Police had to close the road in both directions near to junctions towards Castle Donington and Loughborough, to allow an air ambulance to land.
A Leicestershire police spokesperson said:
"Officers were called at 7.30pm yesterday (Tuesday) to the A42 near Breedon on the Hill following a report of a 19-year-old man who was found injured near to the road.
East Midlands Ambulance Service were in attendance and the man was taken to hospital with serious injuries.
He currently remains in hospital where his condition is described as critical but stable.
Enquiries are ongoing to establish the full circumstances of the incident."
Emergency Services at Triumph Motorcycles Open Day
Plans to build 10,000 homes near Twycross Zoo scrapped
Petition to save pub backed by 2500 people
New bus service to Gates Garden Centre
Two teens dead after M1 crash
Long delays after M1 crash
Hinckley couple set UK record with 30-year pub quiz residency
Disruption to Food waste collection in Hinckley
