Here are the pictures that show a Gosafe van overtaking in a dangerous fashion on a Donegal road.
The picture was taken by a motorist in Donegal with a dashboard mounted camera at the weekend.
The GoSafe van appears to cross an unbroken white line whilst overtaking another vehicle.
The man who took the picture says he has made a complaint to gardai in Letterkenny about the matter.
Neither the Gardai or the company that operates the Gosafe speed detecting vans have commented directly on the matter.
Gerard Moyne took the photos, he says he was shocked at the manouvere: