What is a fair transportation system? What does it mean to say that a particular place is a transportation desert? Are measure of transportation poverty and equity absolute or relative? How do you define a poverty line in terms of accessibility? In this episode, co-host Gregorio Luz and host Flávia Leite speak with Brazilian researcher Rafael Pereira of the Institute for Applied Economic Research (IPEA), a reference in urban analytics, spatial data science and transportation studies. Based on a recent paper by him and professors Alex Karner and Steven Farber, "Advances and pitfalls in measuring transportation equity," our interviewee answers these and other questions, and also delves into more philosophical questions about what fairness and equity are in urban studies.