Arriva launches new premium bus service, Sapphire; invests in new buses for Maidstone May 1, 2013 | Europe News Arriva has launched a new premium service, Sapphire, on Route 1 between Wrexham and Chester. Nine buses were launched involving investment of around GBP650,000. The buses will run every 15 minutes. Th... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password