[vkou]

I can't speak for London, but in my experience, cabs are more likely to have a single passenger, than cars are to have a single driver.

[C1sc0cat]

And your point is exactly what

[isostatic]

Given that cabs typically have 1 passenger in, why should they be allowed in bus lanes?

[C1sc0cat]

I was making the point that the responder had no experience of London cabs.

And its common for groups to use cabs in London and also for those with heavy luggage or who are disabled Black cabs a re a godsend in London