In London there are only a few specific circumstances when a taxi driver (in their taxi) can reject a ride. E.g. - they aren’t working (eg they’re going home,

In London there are only a few specific circumstances when a taxi driver (in their taxi) can reject a ride. E.g. - they aren’t working (eg they’re going home, this isn’t a general excuse that can always be used) - they’re going to pick up a prearranged passenger - they’re eating their lunch (this exemption was introduced by Churchill, hence ‘Churchill’ is cabbie slang for one’s lunch break)