Does anyone have one and fully understand the terms and conditions? Before I drive 7 miles and spend £26, I want to be sure this is going to work for me. It says on the website here up to 4 adults and 4 children can travel on one railcard, but then it also implies that if only one adult travels, only one child is entitled to a discount. So if I was to be the sole adult travelling with 4 children, would only one of them qualify for a discount? Surely not? Please advise!