by Barry on Sat May 24, 2008 12:01 pm
From what I remember, it is the inclusion of oil in the mix - to improve its performance when used to repair existing roads and to give a quieter road surface, it is also quick and cheap to lay and dosen't need the usual sprinkling of chippings - that is the main cause of the problem. This means that in very hot weather, the oil tends to come to the surface and when it rains on a hot road, you end up with a very slippery surface.
I understand from a fellow club member - not the HOC - who is one of those policeman who attends incidents and writes up reports, that SMA, has featured in many of his reports. He tells me that they have stopped using it on the approach to roundabouts.
It would seem that it is motorcyclists vs. quick, cheap and quiet.