The sidewalk widening appears to be done to further the Greenway plans, but the resulting surface will still be far too narrow for significant two way cycling and walkers. The median did not have to widened at all. Result, the roadway will be less safe for cycling, the sidewalk not adequate for much cycling, so this project is actually making this corridor worse, not better.

Further north up Kent, I am fairly sure that all requests to control motor traffic and provide safe space for cycling on the roadway will be dismissed as irrelevant and not needed because of the wonderful greenway that will be built - sometime.

As noted, the greenway will be nice, but not wonderful, and "sometime" is a long way off.
This is one gift horse we should be looking at very, very closely.

(Don't get me started on the Ocean Parkway... huge swaths of median and a tiny dinky little bike lane, with no effective connection to prospect Park, and no effective connection from the park to the bridges.)

The city should create great big biking viaducts, biking avenues, like spokes out into Brooklyn and Queens and connecting to the East River bridges. Make biking a viable commuter option, to absorb some of the congestion-pricing former-drivers (who will bounce right out of the already overcrowded subways)!

I'm concerned that chunks of this aren't going to get built, though... at least up here in Greenpoint and Williamsburg, waterfront open space construction is tied to redevelopment (that is, zoning requirements demand that developers include public space in all waterfront buildings) -- is this the case in Red Hook, too? I'm worried that if construction $ dry up, we're going to end up with a path to nowhere.