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Traffic pollution spikes close to roads, a health hazard for nearby school students and anyonewho spends time in those areas.

Exposure increases the risk of problems, ranging from asthma attacks to heart disease. To find out if your school or another location of interest falls within 500 feet of a busy route (marked in red and orange), search below.


Jamie Smith Hopkins is an editor and senior reporter for the Center for Public Integrity. Her work includes...