A fare system is a method used to determine the cost of transportation services, such as buses, trains, or taxis. It typically involves a set price based on distance traveled, time of day, or type of service. Fare systems can vary widely between different transportation providers and regions, often incorporating discounts for seniors, students, or frequent riders. Many fare systems utilize technology, such as electronic payment methods or mobile apps, to streamline the payment process. This can enhance convenience for passengers and improve efficiency for operators. Examples of fare systems include Metro fare cards and Uber pricing algorithms.