Traffic flow and safety during incidents

Congestion can have several causes. Whenever these causes are unpredictable, we talk of an incident. Breakdowns, accidents, loss of cargo and calamities are all examples of incidents. In the Netherlands, more then 20% of all delay hours are caused by incidents. In 1993 the initiative was taken to improve the process to deal with incidents, it was called Incident Management (IM). IM is the policy that wants to clear the road as soon as possible after the incident has occurred, especially paying attention to the traffic flow on the road, the safety on the incident-location and the safety of the rest of the traffic. However, it remains unclear what exactly the benefits of IM are on traffic flow and safety. Therefore, the goal of this research is to clarify the interaction between safety and traffic flow at an incident-location by identifying the effects of the present IM-policy on the safety and the traffic flow around the incident-location.

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