How do countries with traditional high use of bikes deal with associated problems? The answer is simple and clear: Urban designers think under the bicycle perspective. It means creating and adapting infrastructures for cycling. For example, instead of a normal bike line consisting of two parallel lines if seen from the sky, they have implemented conic bike lines. This is due to the facts that bikers ride at different speeds usually and to diminish time in covering the same length. So, when there is the need of speed bicycle traffic, some bikers can pass others as there is enough space to do it.
Other well-established infrastructure is to create specific-bike bridges to overpass rivers, houses, highways you name it. This way bikers avoid major tours. Going a step further, such bridges can be suitable for pedestrians with a dedicated longitudinal line of half of the total space.
Changes of the traffic light sequence is another good idea. Such countries prioritize bikes over cars in some very busy streets. Moreover, some traffic lights have a cyclist counter and when it reaches a previously determined number, the green light for bikes appears out of a sudden. When designing bike parking, it is necessary to take into account dedicated areas for cargo bikes and electric charges for ebikes. And of course, please do not design narrow bike lines.
Bike highways allow connecting cities with industrial areas and villages. If this is the case, they should show enough wide as to allow easy and secure overtaking.