I posted this on another thread, but it is more relevant to this thread:
Torbay is scrapping its elected mayoral system after a referendum - back to having a leader and cabinet system.
Common sense prevails!
Bath and NES voted no to an elected mayor in a referendum
Perhaps this is the beginning of the end of this ridiculous idea (and waste of taxpayer's money) which encourages personality cult over sensible decisions.
London may be different because it probably has the budget of a small country - but even so, the focus always seems to be on the mayor, which political party he or she is, what they wear, what they say, who they associate with, do they ride a bike, go on the Tube, dare to use a car etc etc, rather than a whole group of elected councillors and their leader getting down to work for the benefit of all those who live there.
I suppose Sadiq Khan will be expected to use the buses and criticised by some if he doesn't, his father having been a bus driver 
It has become almost like a presidential position.