https://www.post-gazette.com/news/transportation/2021/03/15/Port-Authority-Dormont-Mt-Lebanon-noise-tunnel-fans-moisture-problem/stories/202103150108
Unjoyful noise: Port Authority tunnel fans disturb Dormont residents | Pittsburgh Post-Gazette
Exhaust fans Port Authority is running inside the Mt. Lebanon transit tunnel due to a moisture problem are disturbing Dormont residents.
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