Driving at high speed has been found to be the major factor for road accidents. During Ops Bersepadu 2013 in conjunction with the Chinese New Year, the speed limit along federal roads was reduced from 90 km/h to 80 km/h. In line with this move, MIROS carried out a study to evaluate the effectiveness of such mitigation approach.The main purpose of this study is to evaluate the compliance of road users with the new posted speed limit, before and during the Ops. Additionally, it is aimed at evaluating the speed profile and compare speed during and after Ops. The study covers federal roads located in Perlis, Kedah, Perak, Selangor and Johor.Findings indicate that the move was ineffective during Ops Bersepadu Hari Raya 2013 to reduce speeding among motorists. This was evident with significantly higher speed profile during Ops. Looking at the effects of speed limit sign on road user behaviour, it can be observed that the sign has positive effects on their speeding behaviour for a distance of 100 m–500m prior to such a limit.