In most cities with public transportation systems, yes, passengers are required to pay a fare or fee to ride. The payment method can vary depending on the city and type of transit:

* **Cash**: Many buses and trains accept cash payments.

* **Transit cards**: Some cities use prepaid transit cards that can be purchased at newsstands, vending machines, or online.

* **Smartphone apps**: Several cities offer mobile payment options through their own transit apps or third-party services like Apple Pay or Google Pay.

* **Tolls and congestion pricing**: In some areas, drivers may need to pay a toll or fee based on the time of day, traffic conditions, or location.

Fares can be paid in various ways, depending on the city's public transportation system.