TERRIFYING dashcam footage shows a teenager's BMW skid out of control "at more than 120mph" and hit a traffic cop - who made a miraculous escape.
The footage shows how the officer tried to leap out of the way as the car skidded across the highway and hit another car that he had pulled over near Washington DC.
The officer had stopped the BMW 7 Series for speeding on the Fairfax County Parkway in Virginia.
As he was speaking to driver, another powerful BMW M3 driven by a 17-year-old boy came skidding round the corner at a reported speed of over 120mph.
The cop's own dashcam shows how it span and careered across to the opposite carriageway towards the other car.
The cop is seen trying to leap out of the way but gets hit in the leg as the teen's car smashes into the other BMW and his patrol car.
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Amazingly the officer escaped serious injury and is seen jumping over the barrier to call for help.
"Cool, calm and collected, he hops over that guardrail and immediately gets on the radio," Fairfax County Police Chief Kevin Davis said.
He added: "It’s quite the story for him to eventually tell.
"But right now, he’s just glad to be alive."
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The chief said it was incredible no one was killed or seriously hurt.
"It's just miraculous," Chief Davis said at a news conference.
The driver of the BMW 7 was taken to hospital with minor injuries and has since been released from the hospital.
The 17-year-old driver of the BMW M3 and two passengers also sustained minor injuries.
The teenager was charged with reckless driving, Fairfax County Police said.
In a statement, Fairfax County Police said: "We are relieved this crash did not result in a tragedy. This is an important reminder that life can change in an instant. It is the driver’s responsibility to drive safely and arrive safely.
"Parents and guardians should consider using this video as an opportunity to have a conversation with their teen drivers about how their driving behaviour can affect the lives of others.
"We are committed to traffic safety and will continue to enforce traffic laws and educate drivers in an attempt to curb the senseless loss of life that occurs during preventable fatal crashes."