Trans Semanggi Suroboyo, simplify TSS is an urban bus transit system in Surabaya metropolitan area of East Java, Indonesia. The entire system is using buy-the-service scheme Teman Bus initiated by the Indonesian Ministry of Transportation. The system was officially opened on 29 December 2021, making it the tenth city in Indonesia to implement the scheme. The bus fleet procurement is conducted by the Ministry of Transportation, while its operational management is handled by third-party companies such as PT Seduluran Bus Suroboyo and state-owned bus company Perum DAMRI.

Suroboyo Bus, simplify SB is a city bus transit system in Surabaya, Indonesia. Suroboyo Bus was launched on 7 April 2018 under the former mayor Tri Rismaharini. It is one of two bus transit systems in the city, the other being Trans Semanggi Suroboyo.