Performance Analysis of Roundabout Under heterogeneous traffic Condition

This research paper examines the performance of a roundabout in a busy area of Lucknow city. The city has a population of around 3.1 million people, and this roundabout is located near commercial areas and schools. The roundabout is un-signalized. The main objective of this study is to analyze how well this Roundabout are functioning and provide insights for future improvements in the Lucknow District region. To gather data, traffic observations were conducted on weekdays during peak periods from 5:30 pm to 6:30 pm. Video recordings were used for this purpose, and the traffic was classified into three categories: light vehicles, heavy vehicles, and bicycles. The analysis of the operational performance of both intersections was carried out using the SIDRA INTERSECTION software. The results indicate that the roundabout is operating near their maximum capacities. However, the Level of Service (LOS) provided by this Roundabout is not sufficient for the high volume of traffic they receive. The volume to capacity (v/c) ratio analysis shows that the Dr. Tandon Road in an unstable state In conclusion, the findings suggest that improvements are needed the roundabout