Traffic congestion occurs when traffic demand exceeds road capacity, or when an incident such as a traffic crash, a vehicle breakdown occurs or temporary roadworks take place, all of which temporarily reduce capacity and restrict traffic flow. Congestion crashes mainly occur at the tail end of a traffic jam. There, the speed of the traffic flow decreases sharply, which coincides with frequent and hard braking, and with a high risk of rear-end crashes.

It will probably take at least several decades for completely self-driving vehicles to become commercially available, if they ever will. Yet, vehicles in which part of the driving task is automated, for example automated braking, accelerating and steering, are already available.

Since the seventies, the safety of car occupants has greatly improved, expressed in both the number of road crash fatalities and in mortality risk. Since 2011, however, the number of road deaths among car occupants has not decreased.

In 2009-2018, an annual average of 51 young drivers and passengers (aged 18-24) were killed in traffic. For young drivers, fatal crash risk is 4,5 times higher than for more experienced drivers. Crash risk is highest during the first year after acquisition of the driving licence, and subsequently decreases fast as young drivers gain more experience

This fact sheet considers road safety in the Netherlands from an international perspective. The number of serious road injuries is hard to compare to numbers in other countries, so we almost exclusively focus on the number of road deaths. For the Netherlands, we use the actual number of road deaths provided by Statistics Netherlands; i.e. the numbers adjusted for underregistration. We made this choice because the number of casualties among cyclists in the Netherlands is relatively high and it is these crashes that are by no means always registered.

This fact sheet describes the road safety aspects of public transport and of level crossings – places where road and rail networks intersect. Public transport vehicles comprise buses, trams, light rail vehicles and trains. This fact sheet relates to road casualties involving a public transport vehicle: suicide and casualties caused by a lack of social safety (violence in public transport) are not discussed. Apart from public transport and level crossings, the road safety of taxis is also addressed.

In the Netherlands, on average, more than 50 people die every year in a submerged vehicle crash. More than two thirds die from drowning. The casualties are mainly car occupants, while cyclist and mobility scooter fatalities are also numerous. Casualties are mostly male and aged 18-24. Despite the large number of casualties, not much is known about possible causes of crashes in which vehicles end up in the water. Foreign studies show that alcohol and drug use, and/or speeding are often involved.

A safe infrastructure is of vital importance to pedestrians and cyclists. In 2010-2019, 40% of the number of road deaths were pedestrians or cyclists. In 2018, they even made up 69% of the number of seriously injured road users.

A bicycle helmet is intended to protect cyclists against head and brain injuries when they are involved in crashes. The helmet does not prevent bicycle crashes (see the SWOV fact sheet Cyclists for general bicycle safety measures). International research shows that in case of a crash helmeted cyclists are 60% less likely to sustain serious head/brain injuries and 70% less likely to sustain fatal head/brain injuries than cyclists not wearing a helmet.

Sustainable Road Safety implies that the traffic environment is designed to rule out serious crashes and to mitigate the severity of the crashes that do happen. The human dimension is the primary focus: man who is vulnerable, makes mistakes and does not abide by the rules. The road environment, vehicles and technology are to offer support and protection in order to make the safety of the traffic system as little dependent on individual actions as possible. Traffic professionals and central government ensure that these conditions are always met and that imperfections are corrected.