The driver of the minibus has been giving evidence at the inquests into the A7 deaths.
William Darling, a driver with Telfords, said he saw the lorry drifting towards him across the white line.
"The next thing I knew, I was picking myself off the floor"
The driver was showered with glass and knocked unconscious by the impact, and spent time in hospital being treated for arm and shoulder injuries.
The inquest heard how other passengers on the bus found Miss Rennie on the floor where '"she was already dead".
The driver of the lorry involved in the accident, Ian McQueen, also died.
More top news
The health boards in Dumfries & Galloway and the Scottish Borders are two of only five, across Scotland, to have hit the target.
Ron Ablewhite's childhood passion for Cowboys and Indians is behind his new exhibition, which celebrates youthful memories.
Meet Billy - the smallest ever Zebu calf to be born at the Lake District Wildlife Park.