In message , Dominic Pinto
writes

These walks range from around 5 to 10 miles, and are around the
periphery of the Underground network - which is mostly above ground
anyway, in terms of route mileage) - but still served by the red bus
network. Indeed there's also the country bus and Green Line networks to
consider .....
I haven't lived in London for 30+ years, and remember Green Line express
coaches well, I'd thought they'd finished when wide integration came in.
Are they still running as the express LT.. country buses then, or is
this something else?
--
Clive