Overview
Transportation & Logistics focuses on move goods and people efficiently. In the map of OR, it connects VRP, Fleet sizing, Hub-and-spoke to decisions that must be modeled, solved, explained, and revised as evidence changes.
Vehicle routing, fleet sizing, hub-and-spoke design, last-mile, and disruption recovery — classic OR successes. The practical use case is clearest in adjacent OR applications, where the method helps turn constraints and tradeoffs into a decision artifact someone can inspect.
Core ideas
VRP
VRP is a core checkpoint for Transportation & Logistics: define it concretely, attach units or rules where possible, and test whether stakeholders interpret it the same way.
Fleet sizing
Fleet sizing is a core checkpoint for Transportation & Logistics: define it concretely, attach units or rules where possible, and test whether stakeholders interpret it the same way.
Hub-and-spoke
Hub-and-spoke is a core checkpoint for Transportation & Logistics: define it concretely, attach units or rules where possible, and test whether stakeholders interpret it the same way.
Last-mile
Last-mile is a core checkpoint for Transportation & Logistics: define it concretely, attach units or rules where possible, and test whether stakeholders interpret it the same way.
Disruption recovery
Disruption recovery is a core checkpoint for Transportation & Logistics: define it concretely, attach units or rules where possible, and test whether stakeholders interpret it the same way.
How to use it
- 1Start with a concrete case from the surrounding OR area: write the decision, time horizon, actors, and objective in operational language.
- 2Translate the problem into VRP, Fleet sizing, and Hub-and-spoke; define units and data sources for each one.
- 3Build a small instance of Transportation & Logistics that can be solved or simulated by hand inspection before using full production data.
- 4Compare the recommendation against a baseline policy, not just against mathematical optimality.
- 5Document assumptions, sensitivity results, and the conditions under which the recommendation should be revisited.
Applications
Use this topic as a building block in nearby OR models; connect it to a concrete decision before treating it as a standalone application area.
Common pitfalls
- Applying Transportation & Logistics because the label sounds appropriate while leaving the actual decision boundary vague.
- Treating VRP as a technical detail instead of a modeling choice that affects the recommendation.
- Reporting one answer without showing sensitivity to demand, capacity, costs, or behavioral assumptions.
- Ignoring implementation details such as data quality, explainability, ownership, and how users will override bad recommendations.
Resources
- Google OR-Tools
Practical toolkit for routing, assignment, CP-SAT, scheduling, flows, LP, and MIP.
- MIT OCW 15.053 — Optimization Methods in Management Science
Course materials for LP, IP, networks, nonlinear programming, and management science applications.
- INFORMS Journal on Applied Analytics
Applied OR case studies focused on implementation, adoption, and business impact.