I want to create a map that shows roadworks based on start and end time in the City of Aarhus (second largest city in Denmark) using CartoDB (or ArcGIS online) similar to http://roadworks.org/ - I haven't been able to find any examples that shows this using CartoDB. I'm looking for a simple solution.
It looks like you just want to use different kinds of markers on a map and filter them. There're some similar examples (taken from the gallery):
And here're some related tutorials on how to do it: