Copenhagen kindly provides an official tourist site for the city, called VisitCopenhagen — so valuable for those of us who struggle with Danish. Its section on public transport sketches out the options: A-buses, colored red & yellow, operate around the clock, and are supplemented during part of the day by the blue & yellow S-buses (which have fewer stops); the metro currently has two lines (a third is being constructed), and is, among other things, a splendid way to reach the city from the airport; S-trains provide metro-ish rapid transit to areas outside central Copenhagen; and regional trains complete the picture.… Read the rest