The only fare currently shown is £4 for an any time single. I don't believe any zonal tickets will be valid, and jonmorris posted about his experience with trying to get a ticket extension for HS1 services last week.
I bet it costs such an insanely high amount of money that no-one uses it. I'd like to be proven wrong though....
£4 is the normal price for a single between Liverpool Street and Stratford.
I bet it costs such an insanely high amount of money that no-one uses it. I'd like to be proven wrong though....