Low-income Americans spend nearly a quarter of their annual income on transportation while high-income Americans spend about one-tenth. To combat these challenges, cities must find ways to foster the emergence of new technologies that have the potential to transform transportation. And a number of trends in technology are already taking place. We are seeing Improvements to how we collect and analyze data, how communications and mobile platforms evolve, how rapidly connected and automated vehicle technologies emerge, and how soon all modes of transportation transition to using clean forms of energy. These all hold the promise of making our future transportation system safer, more accessible and efficient, and more environmentally sustainable. Throughout the Department we are thrilled that The Smart City Challenge is serving as a catalyst for proactive and innovative transportation planning that fosters the integration of, and access to, advanced technologies.