A road rage incident caught on CCTV shows a motorcyclist being catapulted over the side of a bridge in Milton Keynes.
BMW driver Nikesh Mistry deliberately rammed his car into the motorcyclist - forcing him onto the wrong side of the road.
As the biker hit the crash barrier, Mistry's car collided head-on with an oncoming vehicle.
He continued to force the rider of the motorcycle off the road, and up onto the verge, squashing the motorcycle between his vehicle and some metal barrier bridge railing.
A road rage incident caught on CCTV shows a motorcyclist being catapulted over the side of a bridge in Milton Keynes
Thames Valley Police
The rider of the motorcycle, a man in his 40s from Oxley Park, was flung over the side of the bridge near the Walton Roundabout in the city.
Mistry, from Walnut Tree, Milton Keynes, admitted two counts of causing serious injury by dangerous driving and one count of causing grievous bodily harm with intent.
The 34-year-old has been jailed for four years and ten months and also disqualified from driving.
Thames Valley Police said there was "a non-verbal exchange" between the two men in November 2022.
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Officers say the biker sustained serious injuries and was airlifted to Addenbrooke's Hospital in Cambridge.
The front passenger of another car which collided with Mistry as it travelled in the opposite direction suffered serious injuries.
They were taken by ambulance to Milton Keynes University Hospital.
Mistry was charged with the offences via a postal requisition on May 22 last year.
Officers say the biker sustained serious injuries and was airlifted to Addenbrooke's Hospital in Cambridge
Thames Valley Police
PC Phil McGlue of the Roads Policing Unit, said: "This case is an extreme example of road rage.
"Mistry was not in any immediate danger and chose to respond in a manner that was so violent and so disproportionate that he turned road disagreement into a very serious assault.
"Drivers who behave in such a manner will be rigorously investigated and held to account for their actions and Mistry will now serve a prison sentence as a result of those decisions."