Fig. 1From: Evaluation of associations between asthma exacerbations and distance to roadways using geocoded electronic health records dataLiving location of children in our cohort and proximity to major roadways in Durham County. These blue dots represent the living location of every children with asthma in our cohort, and the red lines are the 55+ MPH highways in Durham. The edge of the county is the rural area. This map was generated with ArcGIS softwareBack to article page