Performance Analysis of Roundabout Junction in Duhok with Proposed Signalized one Through VISSIM Software

The purpose of this research is to make the best possible decision regarding Gali roundabout, which is widely regarded as one of the most congested junctions in Duhok, as to whether the roundabout should be transformed to a signalized junction, perform some moderations regarding the geometrical properties or perform no changes at all. The analysis was carried out to obtain the results for making a decision based on the data collected such as traffic volumes by using a video camera, average speed and geometrical properties. Then the corresponding data were imported to VISSIM software for further interpretation and stimulation for the purpose of making a final decision.