Highway Noise: FHWA Requirements and Barrier Designby Grant S. Anderson, Bolt Beranek & Newman Inc, Cambridge, MA, USA,
Document Type: Proceeding Paper
Part of: Noise and Vibration Measurement: Prediction and Mitigation
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.
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