1. 1. Department of Statistics, Singapore. Population and Population Structure. Available at: https://www.singstat.gov.sg/find-data/search-by-theme/population/population-and-population-structure/latest-data. Accessed January 4, 2019.
2. 2. Singapore Police Force. Traffic Annual 2017. In: Publication [online]. Available at: https://www.police.gov.sg/news-and-publications/publications?category=Annual%20Reports. Accessed December 20, 2018.
3. 3. Wong ZH, Chong CK, Tai BC, Lau G. A review of fatal road traffic accidents in Singapore from 2000 to 2004. Ann Acad Med Singapore 2009; 38:594-6.
4. Road traffic accident mortality in Singapore;Wong;J Emerg Med,2002
5. 5. World Health Organization. Road Safety in the South-East Asian Region 2015. Available at: http://www.who.int/violence_injury_prevention/road_safety_status/2015/Road_Safety_SEAR_3_for_web.pdf. Accessed December 20, 2018.