Motorists in Dublin have been left baffled by three different speed limits marked on the road with 20 metres of each other on the M50.
One person posted a picture on Reddit of the slip road section where the N4 merges onto the M50 going northbound, near Liffey Valley.
The image shows a 30km/h speed limit road sign, followed by a 100km/h sign and then an electric sign with 60km/h displayed on it - all within close proximity.