I can assure you that London is only confusing to my Sat Nav - otherwise it's quite straightforward. OK we do drive on the left, admitedly many roads are only fit for horse-drawn carriages, sure we go the wrong way around roundabouts, it would be fair to mention that we have lanes, streets, cul de sacs, dual carriageways, motorways, A roads, B roads and ring roads - apart from that, we've got it sorted.

Yes - of course London black cab drivers take a test (called The Knowledge), it means they know where they're going - and, amusingly, they all speak English.

I am a regular visitor to America and am always amazed that city cab drivers can barely string a comprehensible sentance together and have little idea of where they're going or, indeed, where they've come from. Whilst I love America and it's people (genuinely), I'm afraid I have to be partisan and say that our cab drivers are a bit better!!