There are lots of little things that can be done to make life easier for people trying to get around on a bicycle. A quick look through a website such as Copenhagenize will show lots of little things, such as foot rests at traffic lights, generous space for bikes on trains along with bike pumps, using bike parking to calm traffic, bicycle care stations at service stations, bridges, remembering cyclists during roadworks and the famous green wave.
In Adelaide, one of the best and most popular pieces of cycling infrastructure is the Linear Park bike path that runs from Henley Beach to the foothills. It is not perfect - in places it is far too narrow and sharing it with joggers and walkers can be problematic in places. Nevertheless it is a pleasure to use whether you are going somewhere or just using it recreationally.
If you use it for part of your journey and have to get off to join a road, its shortcomings are made clear. Often you are just dumped on the pavement and have to find your own way. Getting off itself can also be a hassle if you have to take the stairs. That is why I was very pleased to see a subtle addition to a staircase that allows people to walk up the stairs and wheel their bike easily at the same time. A nice touch: