On 16 Feb, 17:42, Mr Thant
wrote:

(btw, even though you aren't charged a Z1 fare, you're completely
allowed to go that way if you want to)

U


So would Ruislip (Metropolitan Line) - Kings Cross (Victoria Line) -
Highbury & Islington (London Overground) - Hackney Central route be
perfectly acceptable even though the TFL planner suggests changing at
Finchley Rd and Finchley Rd + Frognal ?