Certified Open: Shake Shack UWS Published October 20, 2008 • Updated on October 22, 2008 at 3:20 pm 366 Columbus Ave., Upper West SideCertification Type: First hand reports in the tipline and ontheblogs over the weekendFurther Reading: Fall Tracking (one, two, three, and four)For more stories from Eater, go to eater.com.