This talk will address the challenges of model building to inform policy formulation to support the various decisional nodes in tactical, strategic and operational planning in order to ensure safe, secure and efficient deployment of assets and modalities of transportation in the emerging smart city. This is to enable citizens participative engagement and effective consultation top arrive at well-balanced and widely supported policies in the best interest of all the citizens as well as providing the ability for prediction and minimisation of risks of traffic flow problems and security vulnerabilities as well as optimal mobilisation of assets for first response and recovery management in the event of any disasters.