Big blue By Angela Cotey | February 5, 2014 | Last updated on December 21, 2020 Get our weekly newsletter delivered to your inbox Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Norfolk Southern SD40-2 No. 3410, a former Conrail unit, pauses while switching the yard at Binghamton, N.Y., on the night of Aug. 15, 2009. Photo by Thomas Mik Share this article Print Facebook