Dundalk Road Policing Unit stopped a tractor on the M1 late last night (Saturday, January 25th).
Using its new mobility app, Gardaí discovered that the driver in question is disqualified from driving.
In a tweet, a Garda spokesperson, said: "Plough on rear was completely unlit and a danger to fast-approaching traffic."
The driver was arrested and court proceedings will follow, according to the spokesperson.
Image source: An Garda Síochána \ Twitter