Interaction between motor vehicles and bicycles at two-lane roundabouts: a driving volatility-based analysis.

Interaction between motor vehicles and bicycles at two-lane roundabouts: a driving volatility-based analysis. Int J Inj Contr Saf Promot. 2019 Jun 06;:1-11 Authors: Bahmankhah B, Fernandes P, Teixeira J, Coelho MC Abstract Drivers' instantaneous decisions regarding speed and acceleration/deceleration, as well as the time rate of acceleration change (jerk) can result in a volatility driving behaviour with significant impact on cyclist safety. The contribution of this article is the assessment of driving volatility in motor vehicle (MV)-bicycle interactions at two-lane roundabouts. Traffic flow and bicycle GPS data were collected from two two-lane roundabouts. Then, traffic, emissions and safety models were used to evaluate volatility impacts on safety, pollutant emissions and traffic performance. The findings showed jerk have an impact on driving volatility between MVs and bicycles, regardless of roundabout design with higher amplitude of variation for MVs. However, MVs had higher acceleration-deceleration variation than bicycles. PMID: 31169057 [PubMed - as supplied by publisher]
Source: International Journal of Injury Control and Safety Promotion - Category: Accident Prevention Tags: Int J Inj Contr Saf Promot Source Type: research