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This paper uses census block groups in the contiguous 48 U.S. states and approximates the average speed traveled on various types of roadways to identify the “quickest” hospital for each block group, the one that can be reached in the least time along the road network. Results are summarized using these estimated travel times and both straight line and road network distances for rural and urban areas for comparison. The U.S. Bureau of Labor Statistics’ SAHIE estimates of health insurance coverage at the County level are then used to construct estimates of insurance coverage at the block group level. These are used to examine whether there are differences in geographic access to hospitals for those with and without insurance coverage.


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