The new roller coaster will replace the New Jersey park’s beloved Kingda Ka, which was demolished last February Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Construction is officially underway on a new “record‑breaking” roller coaster at Six Flags Great Adventure, set