Abstract

Nowadays, modeling traffic characteristics are significant in evaluating traffic facilitates such as normal section, weaving and merging sections. Lane changing and lane utilization are important traffic characteristics that are widely studied. This study therefore is focused on both of these characteristics. The lane-changing behavior affects the capacity and safety of roads. The distribution of vehicles among lanes of roadway is important in terms of different aspects such as safety, traffic management, and even the structural design of roads. Field data have been collected from different rural roads. Two types of roads were studied; two-lane section and three-lane section. The results of analysis for collected data indicate that the driver behavior is different in terms of lane utilization in Iraq from other countries and the same behavior was found for lane changes also. Compared to other countries, Iraq has the lowest lane utilization and highest frequency of lane changes. These data are urgently needed nowadays for calibrating and validating sophisticated programs such as simulated microscopic programs. These data are significant to mimic the reality for driver behaviors in rural roadways.

Highlights

  • Studying driver behavior is very important factor in modeling traffic stream [1]

  • Lot of studies have proved that field data could be used to model different driver behaviors such as car-following, lane changing, lane utilization and gap acceptance [2-4]

  • In Iraq, approximately no such field data have been collected for rural roads in terms of lane change and lane utilization. [5] has focused on studying the driver behavior for three lane normal section for both urban and suburban roads

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Summary

Introduction

Studying driver behavior is very important factor in modeling traffic stream [1]. Lot of studies have proved that field data could be used to model different driver behaviors such as car-following, lane changing, lane utilization and gap acceptance [2-4]. In Iraq, approximately no such field data have been collected for rural roads in terms of lane change and lane utilization. [5] has focused on studying the driver behavior for three lane normal section for both urban and suburban roads. This study has been devoted to collect and analyze field data for rural roads

Lane changing behavior
Data collection and analysis
Findings
Data analysis

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