Streets are the backbones of our city. They are integral to the flow of goods and services and their proper functioning can be the difference between diminishing or increasing economic success. Far from simply utilitarian uses, they form the basic foundation of our cities and are a critical portion of public space. Given that urban space is becoming an increasingly precious commodity, how do cities balance these seemingly competing interests? Transportation Infrastructure Capacity Guidelines: Metrics For Designing Infrastructure is meant to serve as a quick reference book for decision makers, so that they can quickly determine the minimum, mode specific transportation volumes for infrastructure. This guide cites metrics from diverse references, striving to be inclusive of all modes, going beyond moving just automobiles. The goal is to support Slow Streets philosophy that streets are precious assets in our cities that must be inclusive of all people’s needs and our overall societal goals. The full report can be downloaded below.