Public transportation is one of the modes of transportation that is still the choice of the people in Purwokerto. One of them is PO. Aries Muda which serves the Purwokerto-Tegal Terminal route. Determining the amount of transportation fares requires handling and tariff policies. Because it must be able to bridge the interests of service users and managers of public transportation services. Therefore, research on tariffs based on Vehicle Operational Costs was carried out to find out the right rates. Methods of collecting data by conducting passenger surveys and interviews with PO Operators. Aries Muda to find out the operational costs of the vehicle and the tariffs that apply at the time of the study are Rp. 60,000.00 people. With a general rate of Rp. 60,000.00 people, and the basic tariff is Rp. 41.109.79org, thus providing a profit for the transportation entrepreneur of Rp. 18,890,21 people or about 18%. So as to provide a decent profit for the manager of public transportation majoring in Purwokerto-Tegal, business managers still benefit. And the tariff is in accordance with the provisions of the upper-lower limit set by the government.