The Straits Times-Ministry of Education National Current Affairs Quiz is on from March 21 to Aug 1. Its presenting sponsor is the Singapore Press Holdings Foundation. This year, 24 schools are taking part.

As part of the outreach programme, 12 primers on various current affairs issues are published in the Opinion section of The Straits Times every Monday. The paper's journalists discuss issues of national concern, offering unique Singaporean perspectives on these topics.

This week's primer, the fifth in the series, focuses on Singapore's goal to go car-lite.

Here are more stories related the topic, drawn from The Straits Times Archives.

If you have a question about the topic, you might like to email us at askST@sph.com.sg.

Click here for more stories about The Big Quiz.

Pit your current affairs knowledge against the students in this sampler quiz with questions drawn from the first round of the Big Quiz, held on Apr 7.

First CBD - the Area Licensing Scheme (ALS) was implemented in June 1975

First COE - it was known as the Vehicle Quota System when it was first implemented in 1990

First ERP - the ERP was implemented in stages from April 1998 starting with ECP

Nov 27, 2014

March 20, 2015

Oct 25, 2015

Feb 26, 2016

Feb 27, 2016

Research by Singapore Press Holdings' Information Resource Centre.