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NOTICE: To arrive at the findings and recommendations of this report, the National Academy of Engineering has used a process that involves careful selection of a balanced and knowledgeable committee, assembly of relevant information, and peer review of the resultant report.

Support for this project was provided by a generous gift from NAE member William W. Lang, the National Academy of Engineering Fund, and the Federal Highway Administration. The opinions, findings, conclusions, and recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the supporting organizations.

Library of Congress Cataloging-in-Publication Data

Technology for a quieter America / National Academy of Engineering of the National Academies.

p. cm.

Includes bibliographical references.

ISBN 978-0-309-15632-5 (pbk.) — ISBN 978-0-309-15633-2 (pdf)

1. Noise control—Technological innovations—United States. 2. Noise pollution—United States. I. National Academy of Engineering.

TD893.T43 2011



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