Since 2011, very significant developments have occurred in the procurement and contracting of bus services in major Australian cities. After many years of 'grandfathering' (continuing rollover of negotiated contracts with long-established private operators), competitive tendering has been progressively implemented for bus services in Sydney and Melbourne, and is also planned for Brisbane. All bus services in Adelaide and some services in Perth, which were previously competitively tendered, have also been retendered. The paper addresses the context for these changes, the events that have occurred and their outcomes. The empirical evidence assessed shows that procurement through competitive tendering has reduced the costs of service provision...