Highway Noise: FHWA Requirements and Barrier Design

by Grant S. Anderson, Bolt Beranek & Newman Inc, Cambridge, MA, USA,



Document Type: Proceeding Paper

Part of: Noise and Vibration Measurement: Prediction and Mitigation

Abstract: Since 1973, the Federal Highway Administration (FHWA) has required noise studies for nearly all proposed roadways and roadway improvements that receive federal aid. An overview of these FHWA requirements includes requirements for the study process itself, for the computation methods, and for noise-barrier design. The design process for recent noise barriers along the Long Island Expressway in New York City is detailed. Included on the design team were two civil/structural engineers, an acoustical engineer, the State's project manager, the regional FHWA representative, and staff knowledgeable in safety, maintenance, and aesthetics. Described are details of the interaction among these disciplines in the noise-barrier design.

Subject Headings: Highway and road design | Highway barriers | Noise pollution | Federal government | Highways and roads | Computing in civil engineering | Barrier islands | North America | United States | New York | New York City

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