This stone was placed in all of Aarhus, after winning the award of "Culture Capital of Europe" you can find it all over the muncipality of Aarhus 

These signs indicate S-Train stations which are unique to the Greater Copenhagen Area and surrounding. Especially in Copenhagen itself, they show up relatively often. 

The town name sign of a town on Funen would sometimes be displayed on a washboard looking display. The common style with a pole can also be found on Funen.

The green bollard is found in some forested areas in the muncipality of Gribskov but a lot of them is phasing out so you might not see them on all the forested areas and there might be less in gen 4 than gen 2

Hans Christian Andersen is a world famours fairy tale writer and was born in the city of Odense, as a memorial of him they put him as the red and green light man in Some stop signs in the center of the city.