Very young children who live close to a major roadway were twice as likely to score lower on tests of communications skills.
Very young children who live close to a major roadway were twice as likely to score lower on tests of communications skills and had a 17.7% higher risk of overall screening failure at 24 months compared to those who live farther away from a major roadway.
Pregnant women exposed to higher-than-normal levels of pollutants from traffic also had children that had a higher likelihood of developmental delays during infancy and early childhood.
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These results and other similar studies suggest that it may be important to minimize exposure to air pollution during key brain developmental periods including pregnancy, infancy, and early childhood.