Vehicle Route Planner (Logistic / Meta Heuristic)

We want to add to our Fleet Management Software, a Vehicle Route Planner class (VRP). This class will be used to look for the optimized route, to reduce costs and give the best solution for multiple Delivery. It optimizes the transportation route planning. (stochastic location routing problem) You will Provide or Developp this class in php to be integrated in our system. (Good university these, in french, is located here : [login to view URL])