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Cykelolyckor i korsningar: Hur kan trafiksäkerheten förbättras?
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Traffic and Logistics.
2013 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Stockholm city has recently raised its ambitions for bicycle traffic, the goal is to achieve a larger and

safer bicycle traffic. But cyclists are more vulnerable on the roads than other vehicle users because of the lack of protection. This means that a large proportion of road safety for cyclists is based on the design of the traffic environment. Since most serious bicycle accidents are those that occur in conflict with motor vehicles, and the majority of these accidents occur at intersections, these areas are of great importance for

cyclist’s safety.

The  purpose  of  this  paper  is  to  highlight  bicycle  accidents  at  intersections  and  to  suggest improvements  in three accident-prone junctions  in Stockholm.  This is  achieved  by  the study of accident statistics, literature and finally three case studies.

The literature study focused on cyclists, traffic safety and traffic safety measures. By describing the specific conditions and problems of cyclists a better picture of how this mode of transportation best work in traffic is provided. The factors that are important to consider, when road safety efforts are made, are then described. The literature studies are completed by describing specific examples of safety measures.

The database STRADA is used to identify three intersections with the highest number of bicycle accidents in the past five years in Stockholm. These junctions were then studied, minor points at the intersections were selected for detailed observations using a simplified method of traffic conflict techniques. The observations during the case studies formed the basis for recommendations of the road safety measures in the intersections.

A  very  rough  calculation was  done  on  the  anticipated  effects of  the  proposed  measures.  They showed  that  about  15  bicycle  accidents  of  a  total  of  29  could  be  avoided  with  the  proposed measures. Although the calculations are not exact, they show that there is a potential to increase road safety for cyclists in the studied intersections.

Place, publisher, year, edition, pages
2013. , 51 p.
TSC-BT, 13-004
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-124000OAI: diva2:632071
Available from: 2013-06-24 Created: 2013-06-24 Last updated: 2013-06-27

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