This is the "butt bus," a place for bar patrons to light up between pints of Molson Canadian and Bud.
Katherine Harding, "'Butt buses' ignite Edmonton furor," The Globe and Mail, December 16, 2005
Paul Burkhardt, "Bar owners in Canadian city find loophole to smoking ban 'butt buses'," The Associated Press, December 21, 2005
If his customers were no longer allowed to smoke inside his hotel bar, he'd provide them with a terrific option. Rather than annoy the neighbours with inebriated riff raff and stray butts everywhere, he'd keep everyone happy. A responsible bar owner worries about these kinds of things.
So Magnifico, owner of the St. Boniface Hotel, played by the rules and put up no-smoking signs inside his infamous Club St. B. Then he spent $500 on an old school bus, parked it in front of his establishment and told patrons they had their own smoking section.
Lindor Reynolds, "Magnifico butt bus idea busted," Winnipeg Free Press, November 14, 2003