Transportation Management Systems (TMS) are applications of advanced strategies and also technologies apply to traffic management. These applications improve performance to mobility, safety and environmental impacts. TMS applications involve a transportation management centers (TMC), field infrastructure, and mobile units to communicate in real time to monitor and manage transportation systems. An example of TMS systems are de Dynamic Message Signs. DMS are used as a part of TMS to encourage a response of drivers or motorist to improve system performance. The desired responses of motorist could be for example: Reduce speed Move out of a blocked or closed lane T ake an alternative highway route or transit option Report to TMC incidents or accidents   The disseminated information by the DMS at high way locations include: Travel advisories and warnings of nonrecurrent events: Incidents and accidents Construction Transit delays Queue warning