A prosperous region must be able to move people and freight efficiently with a transportation system that conserves open space, respects air quality, and encourages land-use decision that are consistent with vibrant healthy communities. A region that is serious about broad access to economic opportunity should provide quality housing near job centers for workers of all income levels. A core principle of Chicago Metropolis 2020 is that good transportation infrastructure and rational, well-planned regional development are essential to the long-term health and prosperity of the region.