Snow accumulation on roads is a major safety concern during winter. Winter road maintenance is an effective approach to maintain roads in good driving conditions and reduce accidents. A common approach for a winter road maintenance project is to partition the road network into multiple service areas, set one depot in each area, and assign a truck fleet to each depot to clean the roads during snow events. To conduct operations effectively, proper planning in both the longterm and short-term is

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... sential. For planning a project in the long-term, the appropriate fleet size iv PREFACE This thesis is an original work by Yipeng Li. A version of Chapter 3 has been published as Li