The completed CINCINNATI UNION TERMINAL encompassed 535,000 square feet and twenty-two separate buildings. This temple of transportation was heralded, by the Cincinnati Post, as "A work of art embodying all that is finest in various fields of art and science known today."
Photo from Library of Congress

Flanking the main entrance into the building's Rotunda are two bas relief carvings. On the north end is "Mercury."
Photo from Library of Congress 

On the south end is "Progress."
Photo from Library of Congress