Transportation: it’s the lifeblood of every community. As the first point of contact in almost every citizen’s journey to an opportunity—be it healthcare, employment, or education—transportation sits at the heart of all major city planning decisions. And as our cities grow in size, so do our challenges. Is it better to improve existing transit infrastructure, or to create wholly new systems? How do we organize mixed-use pathways, providing safe and efficient mobility to pedestrians, cyclists, and drivers?