Banda Aceh City Qanun Number 3 of 2021 concerning Parking Service Fees on the Edge of Public Roads and Special Parking Areas Article 8 states that the fare for parking services for two-wheeled and three-wheeled vehicles is Rp. 1000 one-time parking and four-wheeled vehicles Rp. 2,000 per parking. But in reality, there are still parking attendants who collect parking service fees not according to regulations. The purpose of this study was to determine the process of supervision and barriers to the Banda Aceh City Transportation Service's retribution for parking services on the edge of the Banda Aceh City Public Road. This study uses the theory of supervision by Robbins and Coulter. This study uses a research method with a qualitative descriptive approach. In analyzing data using data collection techniques, data reduction, data presentation, and drawing conclusions. The results showed that the main focus of supervision carried out by the Banda Aceh City Transportation Service was to minimize illegal parking attendants and routine guidance to parking attendants on duty in the Banda Aceh City area. the lack of supervision collection parking service retributions by the Banda Aceh City Transportation Service, causes there are still parking attendants who do not collect according to regulations. There are six obstacles to the Banda Aceh City Transportation Service in carrying out the process of supervising parking service fees, namely evidence of violation is hard to find, lack of complaints from the public, parking attendants and parking points, supervisory officer resources, service understanding, and use of tickets. For this reason, it is expected that the Banda Aceh City Transportation Service will socialize parking service retribution rates by collaborating with parties who have high-ranking followers, increasing violation reporting platforms, applying non-cash payments, adding a parking fee sign on the side of a public road in Banda Aceh City, and adding of human resources to minimize violations by parking attendants.