Road-calming measures like humps are not entirely practical to address speeding issues, and could instead cause traffic bottlenecks inconveniencing residents and businesses in the area, said experts. A fatal car crash that killed five in Tanjong Pagar on Feb 13 has put wider road safety issues in the national spotlight. SPF believe the vehicle was speeding along a stretch with a 50kmh limit while residents described speeding cars as a longstanding disturbance in the area. Most experts agreed that putting up humps in areas with high traffic flow like Tanjong Pagar would slow it down and cause jams. AAS CEO Lee Wai Mun noted that while generally effective in curbing speed, humps may also increase pollution with vehicles travelling in a lower gear and using significantly more fuel per kilometre. He said they could also amplify noise levels due to the need to decelerate and rev up again. Transport consultant and retired LTA planner Gopinath Menon pointed to narrower roads and lanes, “dragon’s teeth” jagged markings and speed regulating strips as other possible measures.... Continue Reading