Haywards Heath is the limit.

I have just given a talk at Burgess Hill. To get there I chose to drive through Haywards Heath. I like the A 272 - the traffic always seems to be flowing in the opposite direction when I am on it but the stretches where the national speed limit applies are becoming fewer and shorter and the frequent changes between speed limits can sorely test a driver's powers of observation.

Make-your-mind-up time in Haywards Heath.

But I think that Haywards Heath is the absolute limit.