In exchange, if private operators have a deficit will be compensated through public subsidies. Conversely, the city government owns newly created routes and puts them into a bidding process for a six-year license over the route. This scheme means that the city government has a limited authority over the majority of routes, whereas it commits to pouring in an enormous amount of funding. However, the city chose to exercise political flexibility to make its agenda acceptable to the society without aggravating conflicts.