Smashburger plans second site Benjie Sanders/Arizona Daily Sta Jan 17, 2013 Smashburger is part of a national chain, headquartered in Colorado. This is Tucson's first Smashburger. The second one should open late this summer and at least two more are planned. Benjie Sanders/Arizona Daily Sta Tags Tucson Restaurants; Burgers; Smashburger Shakes As featured on +4 Smashburger: We say it's a winner Tucson's all about burgers. When it comes to food trends, one reigns supreme in our neck of the woods - the fast, casual burger joint. +2 Second Tucson Smashburger coming this summer Will be at Broadway and Alvernon.