The legislation, which received support from D.C. Mayor Vincent Gray, will affect the District’s 3,426 bus stops and 300 city parks and playgrounds, but not federally owned land such as the National Mall or Dupont Circle.

The ban has drawn criticism at GW, where students have questioned the University’s ability to enforce the policy. Administrators have said the success of the policy will rely on a “culture change” on campus.

The Council gave the bill preliminary support in July. It’s the latest step to limit smoking in D.C., after a 2006 law banning smoking in restaurants and a 2010 law that allows building managers to opt in for their own smoking limits.

Council chairman Phil Mendelson initially called the bill “broadly construed,” and added an amendment Tuesday to exempt cigar bars, hookah bars and establishments with already designed smoking patios.

D.C. joins more than 300 other cities that have passed smoking bans in parks, though few restrict smoking at bus stops.