An analysis of bicycle-to-motor vehicle intersection collisions in New Brunswick

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University of New Brunswick


Cycling is a chosen mode of transport for a significant proportion of people in many countries. There are many associated benefits with this form of active transportation, however, conflicts between cyclists and motorists have caused numerous severe injuries and fatalities. Descriptive statistical analyses were undertaken with this project to better understand bicycle to motor vehicle (BMV) collisions at intersections in New Brunswick (NB) over a 20-year period. The study examined a total of 981 collisions that occurred in both urban and rural areas. The primary goals were to understand the different contributing factors and crash configurations that have contributed to decreased cyclist safety at the most hazardous conflict points on our road system. Different collision characteristics were investigated to gain insight into cyclist safety and identify appropriate safety countermeasures that might be implemented. The study revealed four key results: The total frequency of BMV collisions at intersections show a slight overall downward trend between 2000 and 2019, cyclists between 10 to 20 years of age and males were the most prevalent groups involved, and finally, right-angle (or T-bone) collisions were the most common configuration. Based on the results of this project, it is suggested that road authorities in NB consider select countermeasures to increase cyclist safety. Some suggested engineering countermeasures include the implementation of protected bicycle signals, bike boxes, and median refuge islands at high priority locations.