I was amazed to see the progress taking place at Denver Union Station during a tour hosted by Society of Marketing Professionals last Wednesday. Is the construction happening at a frenetic pace or had I just not ridden the mall bus past Tattered Cover or looked behind Union Station for a while? The new transfer station for the mall bus and light rail opened a few weeks ago and the structures with skylights serving the new underground bus facility are emerging into the nearby plaza (along with the large, slightly eerie intake and exhaust shafts that were incorporated into the