Friends of the University of Colorado Libraries and RTD are teaming up to offer a free Seniors Day at Norlin Library on Jan. 7. Transportation to the event is free on any RTD bus and on BoulderÂ’s HOP and SKIP shuttles. The HOP stops on Colorado Avenue just east of the libraryÂ’s east entrance, where the tour will begin at 9 a.m. Seniors can pick up their free ride coupons from Jan. 2 through Jan. 7 at the Boulder Public Library, 1000 Canyon Blvd., the Meadows Branch Library, 4800 Baseline Road, or the George Reynolds Branch Library, 3595 Table Mesa Drive.