Black Cab drivers have different licences (I have noted from looking at the cabs in traffic), some of them are "All London" and some are specific areas, I have no evidence for this but my assumption has always been that the region specific ones have only passed The Knowledge for that area, if that makes sense.
Black Cab drivers have different licences (I have noted from looking at the cabs in traffic), some of them are "All London" and some are specific areas, I have no evidence for this but my assumption has always been that the region specific ones have only passed The Knowledge for that area, if that makes sense.