Mon., Sept. 15, 2014 The Seattle-Spokane Expo train Twitter Facebook Reddit Sept. 14, 1974 was the last day for this special service. http://news.google.com/newspapers?nid=1338&dat=19740513&id=opBYAAAAIBAJ&sjid=X_gDAAAAIBAJ&pg=5455,4308708 Posted Sept. 15, 2014, 6:35 a.m.