Mike, I’m having a bit of a brain fade on this subject. I’m “sure” that I’ve both read that it’s valid and have used a One Day Off Peak Travelcard (on ITSO) on buses before 09:30 M-F. But yesterday, planning to do the same thing, something caused me to question whether that was right. As things turned out, I didn’t get to test it yesterday.
Just now I found online only one site on the subject which was eleven years old and said that it isn’t valid.
So, is a One Day Off Peak Travelcard [hurrah!], on any medium, valid for use on buses before 09:30?