I wasn't sure and hedged on a 4 zone. A 2 zone is $220. I think in size that's roughly comparable? And in my experience people who mostly take the tube rarely

I wasn't sure and hedged on a 4 zone. A 2 zone is $220. I think in size that's roughly comparable? And in my experience people who mostly take the tube rarely make use of buses. They'll walk or take the tube