The ban on alcohol sales and consumption in Little India this weekend is just the first step, as the Government seeks to ensure order and safety there following Sunday's riot.
Further measures include looking at how the transport flow can be made safer, Prime Minister Lee Hsien Loong said Thursday.
Moves to curb the drinking problem in the area - which were already being discussed before the riot - will also be sped up, he added.
These could include a prohibition on alcohol consumption in common areas such as void decks and pavements, as reported in The Straits Times on Monday.
"Serangoon Road is crowded every weekend and we want to make sure that everything is orderly and safe this weekend and thereafter," PM Lee told Singapore reporters in Seoul, where he was on an official visit.
"We've decided this weekend, no alcohol, and thereafter we'll work out some interim arrangements... until such time as we can come to firmer conclusions and make some more permanent arrangements."
Given how rare such events are in Singapore, Mr Lee also noted that there has been "a lot of" international interest in the riot, including from investors.
Korean business leaders he met during his trip to Seoul had expressed surprise at the riot and asked how the authorities planned to proceed.
The Government must hence respond properly, and Singaporeans also have to react in a measured and responsible manner, he said.
Though understandably shocked, Singaporeans have generally reacted calmly, he added, and those who witnessed the incident have also been forthcoming in providing evidence.
Mr Lee called for continued restraint.
"Whether online or anywhere else, we have to exercise some restraint," said the PM.