Parts of the Central Business District (CBD) and Civic District will go car-free every last Sunday of the month in a pilot project to kick off early next year.
Under the six-month trial, cyclists and joggers will be able to enjoy a 4.7km route of fully and partially closed roads in the area in the morning, with community activities and mass workouts also being organised for the public.
The Urban Redevelopment Authority (URA) called a tender earlier this month to appoint an events management company to run the monthly programme, slated to start on Feb 28. A URA spokesman said: "This pilot is a step towards a 'car-lite' city, and aims to promote active lifestyles and enhance liveability in the city."
He added that it was "a way to reclaim the roads for cycling, jogging and walking, and make the city a more people-friendly and enjoyable place".
He said the roads to be closed - which include St Andrew's Road, Connaught Drive, Fullerton Road, Robinson Road and Shenton Way - were chosen because they are "under-utilised" on Sunday mornings.
The URA said it will review the six-month car-free pilot to see if roads in some areas can be closed on a regular basis on weekends for sports and community activities.
The car-free Sundays will coincide with an ongoing project to transform the Civic District - the area around the Padang, which is home to landmarks such as the Victoria Theatre and Concert Hall, the National Gallery and Esplanade Park - into a walkable precinct.
The first phase of the $66 million project has been completed, with the second stage to be finished by the fourth quarter of next year.