På dansk Motorvej
A motorway starts here. Motorway rules apply: no pedestrians, cyclists, mopeds or slow vehicles, no U-turns, no reversing.
E Mostly rectangular: they announce a regime, such as motorway, one-way street, zone or parking.
Drawing from Wikimedia Commons, free of copyright under section 9 of the Danish copyright act. Code and name follow executive order 425 of 13 April 2023 on road marking. Study material, not the legal text.