This study aims to evaluate the performance quality of microbus-based public transportation facilities in Sorong City. Route A is the longest route with various land uses for trade, hotels, ports, stadiums, housing, schools, and offices. The COVID-19 pandemic and the rise of online taxi bikes have reduced the potential for this public transportation line. The research method is observation and analysis of service performance based on the Decree of the Director General No. 687/AJ.206/DRJD/2002. The evaluation results show that service time performance is in the medium category because there is no information on operating hours from 06.00-17.00 EIT, travel time is less than 12 km/hour, speed below 5 km/hour, and load factor less than 70-110%. However, the frequency of the number of vehicles operating, the headway, and the waiting time are optimal..