Volvo Bus Australia to supply 900 buses to Western Australia by 2029 March 20, 2019 | Asia Pacific News The Public Transport Authority of Western Australia (PTA) has awarded a AUD549 million contract to Volvo Bus Australia to supply 900 buses by 2029. This contract is Volvo’s largest contract in Austral... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password