With over 150 years of experience, Societatea de Transport Bucharest STB S.A. is the largest operator of public surface transport in Romania and also the main operator of public surface transport in the Municipality of Bucharest and Ilfov County, having one of the most extensive transport networks in Europe, with a route length of 1651 km double track . As the main transport operator, STB SA is able to meet the various mobility needs of citizens through a wide range of transport services provided with a fleet of approximately 2000 vehicles (buses, trolleybuses and trams), in recent years investments have been made major both in the renewal of the inclusive fleet with hybrid buses, and in the adoption of modern, digitized payment and information solutions aimed at increasing the quality of the transport services offered. The tariff offer was made more flexible by implementing the concept of metropolitan lines (which brings together all urban, regional and express lines), as well as by applying the time tariff, creating several types of subscriptions and integrating the tariff offer with that of Metrorex, but also with the train in within a pilot project implemented on the Bucharest - Otopeni link. To pay for travel, STB S.A. uses a modern charging system, based on contactless card technology. Also, payment for the trip can be made via SMS, through the 24Pay mobile application, as well as with the contactless bank card. At the same time, to improve the travel experience, STB S.A. made the InfoTB app available to users for real-time travel planning, including information on metro connections. The mission of STB S.A. is to provide surface urban public transport services for the citizens of the Capital, guided by sustainability criteria, contributing to a development that responds to mobility needs in a dynamic continuum.