Driving Jamaica is very heavy on concentration levels, mainly because the roads are in such appalling condition. Giant potholes, boulders in the road, piles of builders’ rubble, sudden narrowing of road to single line traffic…main roads which suddenly hit an unmade stretch without warning. It’s all here. You have to keep your eyes on the road surface as well as the other vehicles for every inch of every journey. Consequently it’s a long slow drive from Mavis Bank to our next destination at Port Antonio on the north coast, a drive which involves climbing right over the top of the mountain range before descending through sumptuous green valleys alongside the…