Hi,

I was checking fares on the NR journey planner and noticed cheap day
returns from South Tottenham (Z3) to Upper Holloway and Gospel Oak
(both Z2) cost £2.40 and £2.70, when under the zone rules they should
both be £2.80.

Digging further, tickets to places further around the NLL seem to
increase gradually with distance (eg South Acton is £4.50), even
though it's still all Z2-3 and should all be the same price.

What am I missing?

U