After years of limited public access, the Park Row project will improve north-south bike trips under the Brooklyn Bridge, and will link the bridge and Chinatown.
It's now common to see bike traffic outnumber car traffic on this connection to the Manhattan Bridge. The Chrystie Street protected bike lane and the Jay Street protected bike lane, on top of the bike network development that came before them, plus the availability of Citi Bike, are clearly moving the needle.