Phoenix expands transit service with 30 additional New Flyer clean-diesel buses, US March 11, 2021 | North America Company News The Phoenix Public Transit Department (PTD) has exercised options for 30 40-foot clean-diesel heavy-duty buses, converted from New Flyer’s backlog. The option has been exercised under PTD’... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password