Secretariat for Public Transport is a vital organization that ensures efficient public transportation in Belgrade. They offer various services such as issuing permits for changing transport modes, facilitating data for transport operators, and implementing strategies and projects to enhance the overall transport system. The Secretariat manages ticketing, tariff zones, and conditions for free or discounted transport services.

They oversee bus, tram, trolleybus, and night lines, as well as the Belgrade City Train. The Secretariat constantly updates schedules and informs the public about any changes. For inquiries or assistance, they provide contact information via email or phone.

With a focus on providing quality public transport, the Secretariat for Public Transport plays a crucial role in improving urban mobility for residents and visitors in Belgrade