Three motorbikes riders take insane risks to get past a truck on Johns Road, Christchurch.

An overtaking episode caught on one man's dashcam is "hair raising" stuff, says the driver.

A man, who asked not to be named, was travelling to work in Christchurch, when he witnessed three motorbikes overtake through road works.

Three riders were recorded in his dashcam footage overtaking a truck along SH1, Johns Road, near the Groynes intersection, on the morning of December 13.

SUPPLIED Three motorbike riders made risky moves to get past a truck on Johns Road, Christchurch.

In the 60kmh zone, the riders overtake the man, before they cruise past the truck in front and cross over a double yellow centre line.

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​The trio narrowly avoid a number of road cones, which were situated in the centre of the road, but one was clipped.

"After a lot of single-framing I figure that the first bike clipped the cone into the truck, which flicked it back across the road, narrowly missing the second rider who braked briefly for it.

I'm not sure what amazes me more – the crazy riding or the phenomenally good luck," said the dashcam filmer.

A police spokesman said police encouraged all drivers to drive safely and drive to the conditions.

"If you are on the road and see driving that concerns you please report it via *555 immediately."

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