The parents of a 20-year-old killed by a truck after his car broke down on the M62 near Leeds have spoken of their "brilliant son and good friend".
Declan Butters, of Mirfield, pulled on to the hard shoulder in his Renault Clio and opened the bonnet after he broke down while travelling to work in Selby on Tuesday morning.
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An inquest opening at Wakefield was told for "some inexplicable reason" he stepped on to the left hand lane of the motorway and was hit by a HGV.
Mr Butters was working as a builder's labourer to save up cash for a university career after achieving 11 'O-levels at Castle Hall School, Mirfield and three A-levels at Mirfield Free Grammar.
His mother Pam Auty, 41, said: "He was a brilliant son and a good friend. There has been a massive response on Facebook from people saying he was one of the best."
She added: "We were very proud of him, both academically and the way he lived his life. He was always cheerful and had a smile on his face. He was sensitive and thoughtful."
An inquest was opened at Wakefield Coroner's Court yesterday. The accident happened on the eastbound carriageway at Stanley near Junction 30.
Coroner's officer Neville Oughtibridge, said: "It would appear the deceased had managed to bring his vehicle to a stop on the hard
shoulder, got out of the car and lifted the bonnet. For some inexplicable reason he stepped into the carriageway of the motorway and was almost immediately struck by a HGV."
Mr Butters was taken to Pinderfields Hospital at Wakefield where he was pronounced dead at 11.30am on Tuesday.
A preliminary post mortem report revealed Mr Butters, who was struck by
a blue Mercedes AX truck, died from a traumatic head injury.
West Yorkshire Coroner David Hinchliff adjourned the inquest pending a police investigation.
Mr Butters also leaves father Mick Butters, 43, brother Myles, 5, stepfather Darren Auty, 45, and stepmother Alison Butters, 48.
Witnesses are asked to ring police on 01924 292915.