Where does the asphalt for NYC's unrelenting road paving and repair come from? Glad you asked. It's the Hamilton Plant on Hamilton Avenue on the Gowanus Canal and just below the BQE. In fact you can see its gears turning and flag flying from the viaduct over the canal in this photo from early days of the BTB. It's even more impressive when seen from below:
For more on of the inner workings of the plan check out these photos from Daniel Kukla's blog. What you seen in the background of my photo above is the new Marine Transfer Station being constructed for the Sanitation Department. Asphalt and garbage and canal: This is going to be a very fragrant zone.