Not stopping at a red light, which is an offence with 12 demerit points, carries increased fines of S$400 for drivers of light vehicles, up from S$200, and S$500 for drivers of heavy vehicles, up from S$230.
https://www.channelnewsasia.com/news/singapore/higher-fines-traffic-offences-motorists-pedestrians-cyclists-apr-11275482