Michael R N Dolbear ) gurgled happily, sounding much like
they were saying :

For a single this is unlikely but since in your example even an Z1-6
Travelcard is less than twice a £3.40 fare

Look past Zone 6.

For me, a pair of singles is over £3 cheaper than an ODTC - there used to
be an LT card in the middle, but that got pulled.

When is 7DTC capping coming in on Oyster?