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Noise Reduction Tunnel

Chicago, IL
Noise Reduction Tunnel

The Noise Reduction Plan calls for construction of a sound insulation U-shaped tunnel underneath the Chicago Transit Authority tracks where it runs above Wabash Avenue that pushes the sound and noise up towards the sky as opposed to down to the street. The noise reduction project may also include replacing existing CTA steel column supports with longer-lasting, vibration-reducing concrete columns, and other acoustic measures in the building itself.

Picture shows the current noise reduction tunnel surrounding the Chicago Transit Authority Green Line where it runs above the new McCormick Tribune Campus Center at the Illinois Institute of Technology.

Related topics:
Alex Nano Chicago, IL

i love the intent- but an opaque tube on Wabash would eliminate pleasure of riding in loop on el. Unless it's made of glass? :D Other aspects (columns, acoustic treatments) could work well...

Steve Starr Chicago, IL

Better to concentrate on quieter train wheels

... there have been made some trials with high pressure pneumatic propulsion, just like Aerotrain (FR) to get a noise reduction, I think ...