The influence of roadway characteristics and built environment on the extent of over-speeding: An exploration using mobile automated traffic camera data

The influence of roadway characteristics and built environment on the extent of over-speeding: An exploration using mobile automated traffic camera data

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Over-speeding is a pivotal factor in fatal traffic crashes Womenswear globally, necessitating robust speed management strategies to augment road safety.In 2021, the National Highway Traffic Safety Administration reported over 12 000 speed-related fatalities in the United States alone.Previous studies aggregated over-speeding tendencies; however, the extent of over-speeding has a significant implication on the crash outcome.

This study delves into the prevalence and magnitude of over-speeding in various scenarios, utilizing data from traffic cameras in Edmonton, Canada, and employing a negative binomial statistical model for analysis.The model elucidates the significance and likelihood of over-speeding tendencies by incorporating temporal and built environment variables, i.e.

, year, month, number of lanes, dwelling unit types, school-related, and open green space.Study results indicated that the aggregation of the over-speeding data tends to underestimate the influence of various factors.Notably, the estimated impact of the posted speed limit for the disaggregated models is up Samsung RR39M7340B1/EU Tall Fridge Black to over two times that for the aggregated model.

Further, the summer months exhibit a roughly 25% uptick in speed limit violations for aggregated models while about a 40% uptick in the speed limit violations for disaggregated approaches.Conversely, a discernible decline in over-speeding tendencies is observed with camera enforcement, showcasing a 25% reduction over four years.Built environment variables presented mixed results, with one-unit dwellings associated with a 12% increase in over-speeding, while proximity to schools indicated a 10% decrease.

These pivotal findings provide policymakers and practitioners with valuable insights to formulate targeted interventions and countermeasures to curtail speed limit violations and bolster overall road safety conditions.