Does the Heathrow Z1 “always peak” rule apply to railcard users? Home › Forums › Fare and Capping Queries › Does the Heathrow Z1 “always peak” rule apply to railcard users? This topic has 1 reply, 2 voices, and was last updated 3 months, 3 weeks ago by Mike (admin). Viewing 1 post (of 1 total) Author Posts 25/12/2024 at 13:35 #7677 Mike (admin)Keymaster Hi Kijeta, It’s a subtle difference, but they are still peak and off-peak fares, they’re just charged at the same price. But railcard discounts apply to off-peak fares so they appear cheaper. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In