London Black cabs are more expensive than regular taxis because of the huge amount of knowledge those drivers have. The ability to know the city well, along wit

London Black cabs are more expensive than regular taxis because of the huge amount of knowledge those drivers have. The ability to know the city well, along with all road works, detours, construction, and places of interest, is amazing. Even now Google is only approaching this level of knowledge and it still has to improve its interface.