For contrast, here is a bike lane near Annecy, France.
It is designed so that road cyclists and rollerbladers can proceed at top speed down the path
A small gravel area on the side with a "pedestrian marking" shows the area for mountain bikes to have fun in, though there are no jumps or other technical obstacles to make it very interesting.
At the actual junction there is an offset barrier which allows roller bladers to zig-zag through at full speed
While bicycles have a slightly harder chicane-style solution to the problem of crossing the road without stopping.