(26 Aug 2015, 7:24 pm)R852 PRG wrote I think they're DDA compliant aren't they? In that case I can see them staying a while longer. Although, with 02-reg plates, it's only a few years before they start to get closer to the end of their working lives.
When I was on 3967 in late July it sounded as healthy as ever, I like them too.