View of Detroit River tunnel; train exits tunnel and another train passes on level above. The top left corner has an inset image of train ferry, with caption reading "The old way." Printed on front: "Copr. Detroit Publishing Co. 70029. Detroit River tunnel, Detroit, Mich. The new way." Printed on back: "Photostint. Trademark [reg.] U.S. Pat. Off. Made [only by Detroit] Publishing Co."
