Our booking engine at tickets.railforums.co.uk (powered by TrainSplit) helps support the running of the forum with every ticket purchase! Find out more and ask any questions/give us feedback in this thread!
It opened for traffic as far as Oxford Parkway some months ago, there was about a month of route training prior to public services formally starting on Monday October 26th last year, following a soft start on the previous Sunday the25th.