New modes of transportation a critical challenge for city planners

Self-driving cars, scooters and bikes of every description, car-share schemes and air taxis… all these modes of transport may be part of our transportation future. And while boosters of each of these modes of transport describe them in glowing terms, understanding the precise costs and benefits is more of a challenge. Todd Litman’s recent book, New Mobilities, examines the questions we need to ask as we plan for these emerging transportation technologies.