A source close to Mr Tuju on Sunday said that he arrived in the county on Saturday at 5am aboard a Kenya Airways flight.
He had travelled to the UK in a chartered air ambulance on February 20 accompanied by doctors and close family members.
After the accident, he was rushed to Kijabe Hospital and then airlifted to Karen Hospital.
Jubilee Secretary-General Raphael Tuju has returned to the country from the UK where he had been flown for specialised treatment following a car accident on February 12.
A source close to Mr Tuju on Sunday said that he arrived in the country on Saturday at 5am aboard a Kenya Airways flight from London where he stayed for two weeks.