HART unveils prototype train for Honolulu Metro; awards integrated smartcard and mobile ticketing contract to INIT May 2, 2016 | North America Company News The Honolulu Authority for Rapid Transportation (HART) has unveiled the prototype four-car trainset for the upcoming Honolulu Metro. The train has been manufactured by the Ansaldo Honolulu Joint Ventu... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password