[stygianguest]

The more important difference is safety in numbers e.g. drivers will look over their shoulder before turning right, because usually there is a bike. Drivers are conditioned to take into account bikes and their erratic driving.

[muuck]

I agree, when driving a car in the Netherlands you always expect a bycicle even when there is non. It also helps that in case of an accident between a car and bycicle the blame almost automatic shifts towards the driver of the car.