Evaluating the Performance of Traffic Flow using SIDRA for Roundabouts in Ipoh, Perak

Due to rapid development and urbanisation, the traffic systems in Perak are developing continuously growing numbers. Evaluation of junction concerning capacity safety is very important since it directly related delay, level service, accident, operation cost environmental issues. Traffic congestion happens due delay reduction average speed during AM Peak hours at two roundabouts. This study aims improve flow by determining LOS different A was conducted “Bulatan Bahagia” Sultan Iskandar” Ipoh. Sidra 5.0 application used as an alternative Highway Capacity Manual analyze performances. analysis carried out using SIDRA Software determine provides recommendations roundabout performance. The result shows improvement service from F B D. percentages for were 2 % 5% respectively. finding that on road has a direct correlation with congestion. improves up 57 20 %. indicates utilisation gives best design intersections sustainable demand both upstream downstream