The effect of cycle lanes on the proximity between motor traffic and cycle traffic

Parkin, John and Meyers, Ciaran (2009) The effect of cycle lanes on the proximity between motor traffic and cycle traffic. Accident analysis and prevention, 42 (1). p. 159. ISSN ISSN: 0001-4575

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Abstract

An experiment collected proximity data of motor traffic overtaking cycle traffic on roads with and without cycle lanes using an instrumented bicycle. The work enhances previous research which has considered the riding position of the cyclist and whether or not the cyclist was helmeted, while controlling for vehicle type. The analysis shows that significantly wider passing distances are adopted by motorists in the condition without a 1.45 metre cycle lane, with posted speed limits of 40mph and 50mph with a 9.5 metre wide carriageway. These findings were not replicated for a similar width road with a posted speed limit of 30mph and a 1.3 metre cycle lane. The results suggest that in the presence of a cycle lane, drivers may be driving within the confines of their own marked lane with less recognition being given to the need to provide a comfortable passing distance to cycle traffic in the adjacent cycle lane.

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