The methodology presented here solves an R&D program portfolio selection problem that arises in critical infrastructure protection and similar security risk reduction problems. It requires priorities to be assigned to the risks, existing risk levels to be assessed, and the effectiveness of...

Without successful large-scale regional evacuations, threats such as hurricanes and wild-fires can cause a large loss of life. In this context, automobiles are oftentimes an essential transportation mode for evacuations, but the ensuing traffic typically overwhelms the roadway capacity and...