The current focus of transportation policy around disruptive events is to adopt an engineering resilience-oriented approach, which focuses on returning assets to good workable order as soon as possible. This will remain critically important in the future to reduce the scale and severity of...

In this paper we first consider alternative measures of efficiency. We explain why simple partial productivity measures are inadequate as the basis of overall measures of efficiency, and outline two alternative approaches. The first is technical efficiency - the degree to which output is...