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Brigjend Slamet Riyadi road is the main city road serving the traffic of Surakarta City. It is located in the Central Business District so that many vehicles pass through this road. The relatively high traffic volume in Brigjend Slamet Riyadi affects the signalized intersections performance along this road. This study analyses the performance of signalized intersections along the Brigjend Slamet Riyadi road by using the IHCM 1997 method and PTV Vistro software. The IHCM 1997 method is a traffic modelling method based on empirical Indonesian traffic conditions. PTV Vistro is traffic modelling software based on empirical United States America traffic conditions. Analysis of the signalized intersections performance results using both approaches is compared with the field data. Calibration and validation of models is carried out to see the similarity of traffic performance results between models with field data. In general, the IHCM 1997 method produces vehicle queue length closer to field data than the PTV Vistro software. The IHCM 1997 method tends to produce lower degree of saturation, vehicle delay and level of service than the PTV Vistro software.

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