The bike lane up 8th Ave in Manhattan is a good candidate. It runs along the left side of the road, as is normal in Manhattan. It stops without warning at 40th street, to be replaced by a two-lane taxi line in front of Port Authority Bus Terminal. I have no idea what a bicyclist is supposed to do there (some veer to the right and either take a lane or dart between the cars stopped at the light at 41st or 42nd; others go straight and dash between pedestrians and the taxis; it's like an obstacle course). The bike lane resumes at 42nd.