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Summary of Noise Barriers Constructed by December 31, 2010
Publication Number - FHWA-HEP-12-044
Abstract: This publication contains an inventory of all noise barriers constructed with highway program monies since 1973, as reported by State highway agencies. The inventory contains information on noise barrier length, height, cost, material, location and year constructed for each State. The FHWA typically collects this information every three years, however this may vary depending on program needs. The inventory is intended for all audiences.