Trans Semanggi Suroboyo[a], simplify TSS is an urban bus transit system in Surabaya metropolitan area of East Java, Indonesia.

The system was officially opened on 29 December 2021, making it the tenth city in Indonesia to implement the scheme.

[3] The Director General of Land Transportation carried out an auction for the third party operator of Surabaya city bus system development on 29 October 2021.

[7] The system, which later named Trans Semanggi Suroboyo, was finally launched in a ceremony on 29 December 2021, at Surabaya City Hall.

[8][9] Originally one of the corridors launched was planned to start operating on 1 January 2022,[10] however, this plan was postponed, following a circular letter from the Director General of Land Transportation to the Surabaya city government dated 31 December 2021 called for the temporary suspension of Teman Bus operation.

[11] It is issued because the Ministry of Transportation is currently conducting a thorough evaluation and finalizing a number of technical operations on Teman Bus services.