The organising authority/operator tandem is enjoying increasing success worldwide, especially so in Europe. Nevertheless, public transport network governance models remain highly diverse. Management may be direct or outsourced; councillors may be involved to varying degrees; the remit may be narrow or very broad; the type of agreement between the authority and the operator may vary. No single governance model has prevailed. This session seeks to compare different approaches to mobility governance with a view to identifying some of the cross-cutting, fundamental principles that ensure users benefit from the best possible service at optimum cost.