We propose a locational model for public service centres when they compete with private centres. Customers may be captured by the centre offering shorter distance or lower waiting times. Both types of centres provide paid services to high-income customers, and public centres also provide...

Park and Ride facilities (P&R) are car parks at which users can transfer to public transportation to reach their final destination. We propose a mixed linear programming formulation to determine the location of a fixed number of P&R facilities so that their usage is maximized. The facilities are...