• CIE x050-PO014

CIE x050-PO014

DARKNESS IS A GREATER DETERRENT TO CYCLING IN SUBURBAN THAN IN CITY CENTRE LOCATIONS

Commission Internationale de L'Eclairage , 12/29/2023

Publisher: CIE

File Format: PDF

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Odds ratios for the effect of ambient light level on cyclist numbers tend to reveal a variation between counters at different locations. We investigated reasons for this variation through analysis of cycle count data in two cities, Berlin (Germany) and Birmingham (UK). For Berlin, there was a significant increase in the odds ratio with increasing distance from the city centre, but this was not the case for Birmingham. The influence of location was explored, and this suggested that distance from the city centre may be a relevant factor on subsidiary roads but not on roads of a more major type. It was also found that the odds ratio is associated with the numbers of cyclists, and this tends to decrease with distance from the city centre.

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