A member of the public recently asked in a Straits Times forum letter, how the public can report on people eating in MRT trains. SMRT has replied that the public can press the Emergency Communication Buttons in the trains to inform the train driver.
According to SMRT's reply, the station staff will board the train at the next station to advise offenders against eating in the train. SMRT staff has the power to issue fines in the trains. Passengers can be fined up to $500 by the Land Transport Authority (LTA) for eating in the train. Full story