This paper presents a case study of how to empirically estimate the impact of a NAS investment on system performance. We employ multivariate statistical analysis to estimate the impacts of a major capacity expansion at DFW airport.

We report Year 1 results from a two-year project to develop a computer simulation, evaluation and visualization "toolbox", SmartBRT, to describe and evaluate operational aspects of bus rapid transit (BRT) concepts in order to aid decision-making. In conceiving and developing SmartBRT, we have...

Underweight and obesity are associated with adverse health outcomes throughout the life course. We estimated the individual and combined prevalence of underweight or thinness and obesity, and their changes, from 1990 to 2022 for adults and school-aged children and adolescents in 200 countries...