SMLines (Samsun Metropolitan Municipality Lines) is the official online platform operated by the Samsun Metropolitan Municipality to manage and provide information about the city's public transportation network. The website serves residents and visitors of Samsun, Turkey, offering comprehensive details on municipal bus services, including real-time route maps, timetables, fare information, and updates on service changes or disruptions. Users can access information about the KentKart—a contactless smart card used for fare payment across the public transit system—as well as procedures for obtaining, reloading, and managing the card. The site also includes sections dedicated to accessibility services, customer support, announcements from the municipality, and mobile application downloads that enhance the commuting experience through features like live vehicle tracking and trip planning. Available in both Turkish and English, SMLines aims to promote efficient, reliable, and user-friendly urban mobility within Samsun.