How Can We Measure Transportation Insecurity?
Inadequate transportation can hurt a person’s social, economic, and health outcomes. But planners and policymakers have not had a good tool to measure transportation insecurity—a condition in which one is unable to regularly move from place to place in a safe or timely manner due to the absence of the material, economic, or social resources needed for transportation. So, in 2018, researchers from University of Michigan and others created a tool to explore transportation security modeled after the Food Security Index and based on interviews with families living in poverty. They call it the Transportation Security Index. In 2021, they validated the 16-question index using a nationally representative sample. “We hope [the Transportation Security Index 16] will be adopted ...
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