New York City’s subway system is home to a select group ... of Times Square lies Nothing Really Matters — a cocktail bar that not only welcomes the chaos of the city but invites it.

After the decades-old Subway Inn shut down, the new tenant took down its sign. The Subway Inn’s former operator said he had no right to do so.

New York City is trying to deter dangerous “subway surfing” through education programs, but some transportation advocates and ...