It's been a while since I've been to Brooklyn Bridge Park, so a couple days ago I was surprised to see the planned berm blocking out the noise of the BQE has been constructed:
Even more surprising is just how well it works. When walking on the path alongside the berm, the sound of the three stacked lanes of traffic is completely nonexistent. It's amazing.
Though it's also amazing to grasp the scale of the berm at the southern end, where the noise of traffic resumes: