In situ testing determined the insertion loss (IL) and absorption coefficients of a candidate absorptive noise barrier (soundwall) to abate railway noise for residents of Anaheim,
California. A 13,000-ft barrier is proposed south of the tracks, but residential areas to the north have expressed concerns that barrier reflections will increase their noise exposure. To
address these concerns, a 12-ft high by 48-ft long demonstration barrier was built in the parking lot of Edison Field, Anaheim as part of a public open house, thereby allowing for
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