Network analysis help solve problem related to the use of the transportation network. ArcGIS's network analyst offer 6 solvers that can be used in addressing different types of problems: 'Best route', 'Vehicle routing', 'Closest facility', 'Origin-destination matrix', 'Service area' and 'Locationallocation'. Identify a published peer reviewed article using one of these solvers to address a real world problem and summarize it in one page. Make sure to include the geographic area the article applies to, state the problem it solves, describe the approach, and state important findings. Also include a 'reference' section at the end where you list the selected paper's citation