SBS Transit Limited (SBST or just SBS) (SGX: S61) is a multi-modal public transport operator in Singapore operating bus and rail services. With a majority of its shares owned by Singaporean multinational transport conglomerate ComfortDelGro Corporation at 75%, it was formerly known as Singapore Bus Services before rebranding to SBS Transit on 1 November 2001. It is the largest public bus operator in Singapore, as well as one of the two major operators of Singapore's rail services along with SMRT Corporation.