Abstract

In the process of analysing the unique nature of lane utilization behaviour, the examinations of existing models (1) showed that under uncongested flow conditions, lane utilization is influenced by two defined traffic parameters such as the ratio of average speed and the ratio of average density between adjacent lanes. Further, behaviour of identified traffic parameters is investigated by the occurrence of defined driver's constraints, such as number of overtaking, number of lane changes and acceptable gaps for these overtaking or lane changes (otherwise braking events). Results show that the existing pattern of lane utilization in a three-lane freeway is a result of maximising drivers' faster movements by balancing the expected drivers' excess active constraints between lanes as well as matching the active and passive constraint within a lane.

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