Map of railways in Denmark. Railways for long distance trains electrificated with 25.000 V 50 Hz AC overhead wire are shown in blue. The Copenhagen S-railways with 1650 V DC overhead wire are shown in red. Not shown is the Copenhagen metro with third rail.
<a href="//commons.wikimedia.org/wiki/User:Dannebrog_Spy" title="User:Dannebrog Spy">Leif Jørgensen</a>
CC BY 3.0
Own work based on <a href="//commons.wikimedia.org/wiki/File:DenmarkStub2.png" title="File:DenmarkStub2.png">Image:DenmarkStub2.png</a>