Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1
TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 218: Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1 studies the change in sound levels and characteristics caused by sound reflections off a reflective, non-absorptive noise barrier on the opposite side of a highway.
This Summary Last Modified On: 9/21/2016