Todd Litman wrote:

This is a good time to critically reexamine transportation planning documents. Transportation planning is undergoing a paradigm shift that is changing the way we define problems and evaluate potential solutions. The old paradigm was mobility-based, which assumed that our goal is simply to maximize travel speeds. A new paradigm is more comprehensive and multimodal. It considers other goals and impacts, such as comfort, affordability, social equity, public health, community livability and environmental quality. The table below compares the old and new paradigms.