ERP maddness!

In time the ERP will be covering every corners of Singapore. The question is, are ERP really necessary? On 1st of Aug the next ERP will be on operation, will more motorists be distressed or are they feeling numb about it? The lastest ERP which operate on CTE from the direction towards AMK doesn't seems to be effective. The reason, during peak hours there will only be slow moving traffic towards AMK and traffics always cleared after AMK Ave 5. The maximum possible time stuck in this slow traffic for this short distance will cause motorists at most half and hour. Since the widening of the CTE towards AMK, traffics there had improved significantly and jamming at this area had minimised. And since traffic had improved why is ERP still necessary here? Is building of ERP really a strategy to tackle traffic issues or had it become the most convenient ways to impose restriction but not maximizing effectiveness in this issue? LTA need feedbacks from the public (especially cab-takers and motorists) in order to decide the best gantry location before Singapore is infested with them.