Depends very much on where you are in the city. Aside from shift changeover periods, I'd say that there are plenty of cabs in Manhattan. In the outer boroughs, less so- Bloomberg proposed a plan to allow 'green cabs' that could pick up passengers in the outer boroughs only. It was swiftly beaten in the courts by the taxi industry.
Depends very much on where you are in the city. Aside from shift changeover periods, I'd say that there are plenty of cabs in Manhattan. In the outer boroughs, less so- Bloomberg proposed a plan to allow 'green cabs' that could pick up passengers in the outer boroughs only. It was swiftly beaten in the courts by the taxi industry.