Lesson
Part of: Design Principles of Cycling [Draft Version]

Speed Reduction at Access Points and Junctions

BOOKMARK
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The most effective measure to improve the safety of cyclists is the use of speed-reducing measures for drivers leaving or entering a main road (e.g. a raised bike path and/or exit construction). It is suitable in most cases as it does not require additional space in contrast to the construction of a bike path. 
 
Although cyclists seem more at risk at intersections with two-way bike paths, as compared to intersections with other infrastructure, a number of bike-motor vehicle crashes can be prevented with speed management. 

Raised cycle crossings and other speed-reducing measures are effective in decreasing the number of cycle crashes at priority intersections.

Speed-reducing measures could reduce the number of crashes for cyclists. Speed-reducing measures, such as speed humps, did not reduce the crash risk but may reduce the injury risk.

A one-way, single lane street with a chicane and raised crossing. Illustration by Nicolae Duduta. 

References

Paul Schepers, A safer road environment for cyclists

Istanbul Historical Peninsula, Design concepts for safe, accessible streets, design